[Commits] 865e807125d: Merge branch '10.0' into 10.1

revision-id: 865e807125d1d3fb2d784ea33f1154ba999466ec (mariadb-10.1.34-33-g865e807125d) parent(s): 14306bcbec0b6a999985008f3d33602c08058006 4c21c367b332e4ebfff0b0c1f6f5140d5845588e author: Oleksandr Byelkin committer: Oleksandr Byelkin timestamp: 2018-07-31 11:58:29 +0200 message: Merge branch '10.0' into 10.1 include/sql_common.h | 2 +- mysql-test/r/grant.result | 4 +- mysql-test/r/sp_notembedded.result | 2 - mysql-test/r/subselect_mat.result | 93 ++++++++ mysql-test/r/subselect_sj_mat.result | 93 ++++++++ mysql-test/r/union.result | 16 ++ .../r/default_row_format_compatibility.result | 2 +- mysql-test/suite/innodb/r/innodb-wl5522.result | 263 ++++++++++++++++++++- mysql-test/suite/innodb/t/innodb-wl5522.test | 258 +++++++++++++++++++- .../sys_vars/r/sysvars_innodb,32bit,xtradb.rdiff | 2 +- .../suite/sys_vars/r/sysvars_innodb,xtradb.rdiff | 6 +- mysql-test/suite/sys_vars/r/sysvars_innodb.result | 2 +- mysql-test/t/grant.test | 3 + mysql-test/t/subselect_sj_mat.test | 79 +++++++ mysql-test/t/union.test | 15 ++ sql-common/client.c | 4 + sql/item.cc | 3 +- sql/opt_subselect.cc | 66 ++++++ sql/sql_acl.cc | 13 +- sql/sql_select.cc | 9 +- storage/innobase/buf/buf0buddy.cc | 2 +- storage/innobase/buf/buf0dump.cc | 2 +- storage/innobase/fts/fts0fts.cc | 57 ++--- storage/innobase/handler/ha_innodb.cc | 37 ++- storage/innobase/handler/i_s.cc | 19 +- storage/innobase/include/univ.i | 2 +- storage/innobase/row/row0import.cc | 85 +++++-- storage/innobase/trx/trx0trx.cc | 4 +- storage/innobase/trx/trx0undo.cc | 3 +- storage/myisam/ha_myisam.cc | 6 +- storage/myisam/mi_check.c | 6 +- storage/myisam/mi_locking.c | 6 +- storage/xtradb/buf/buf0buddy.cc | 2 +- storage/xtradb/buf/buf0dump.cc | 2 +- storage/xtradb/fts/fts0fts.cc | 57 ++--- storage/xtradb/handler/ha_innodb.cc | 37 ++- storage/xtradb/handler/i_s.cc | 19 +- storage/xtradb/row/row0import.cc | 78 ++++-- storage/xtradb/trx/trx0trx.cc | 4 +- storage/xtradb/trx/trx0undo.cc | 3 +- 40 files changed, 1181 insertions(+), 185 deletions(-) diff --cc mysql-test/r/union.result index 62b5e2841fb,5ea0f975a91..af0fb6b4861 --- a/mysql-test/r/union.result +++ b/mysql-test/r/union.result @@@ -2105,105 -2032,20 +2105,121 @@@ DROP VIEW v1 UNION (SELECT 2, 2); ERROR 42S02: Table 'test.v1' doesn't exist + # + # Bug#27197235 USER VARIABLE + UINON + DECIMAL COLUMN RETURNS + # WRONG VALUES + # + SET NAMES utf8; + SET @advertAcctId = 1000003; + select @advertAcctId as a from dual union all select 1.0 from dual; + a + 1000003.0 + 1.0 + SET NAMES latin1; + SET @advertAcctId = 1000003; + select @advertAcctId as a from dual union all select 1.0 from dual; + a + 1000003.0 + 1.0 End of 5.5 tests +# +# WL#1763 Avoid creating temporary table in UNION ALL +# +EXPLAIN SELECT 1 UNION ALL SELECT 1 LIMIT 1 OFFSET 1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used +2 UNION NULL NULL NULL NULL NULL NULL NULL No tables used +# Bug #17579498 CHANGES IN DATATYPE OF THE RESULT QUERY IN UNION. +CREATE TABLE t1 (a TIME); +CREATE TABLE t2 (b DATETIME); +CREATE TABLE t3 +SELECT a FROM t1 UNION ALL SELECT b FROM t2; +SELECT column_name, column_type +FROM information_schema.columns +WHERE TABLE_NAME='t3'; +column_name column_type +a datetime +DROP TABLE t1, t2, t3; +# Bug #17602922 RESULT DIFFERENCES IN UNION QUERIES WITH IN +# (SUBQUERY-UNION ALL) +CREATE TABLE t1 (a VARCHAR(1)); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES ('j'); +INSERT INTO t1 VALUES ('k'); +INSERT INTO t1 VALUES ('r'); +INSERT INTO t1 VALUES ('r'); +INSERT INTO t1 VALUES ('h'); +SELECT a FROM t1 WHERE a IN (SELECT 'r' FROM t1 UNION ALL SELECT 'j'); +a +j +r +r +CREATE TABLE t2 +SELECT a FROM t1 WHERE a IN (SELECT 'r' FROM t1 UNION ALL SELECT 'j'); +SELECT * FROM t2; +a +j +r +r +DROP TABLE t1, t2; +CREATE TABLE t1 (a INT PRIMARY KEY); +CREATE TABLE t2 (a INT PRIMARY KEY); +INSERT INTO t2 VALUES (1); +SELECT a, SUM(a) FROM t2 UNION ALL SELECT a, MIN(a) FROM t1 ; +a SUM(a) +1 1 +NULL NULL +SELECT FOUND_ROWS(); +FOUND_ROWS() +2 +DROP TABLE t1, t2; +# Bug #17669551 CRASH/ASSERT AT SELECT_CREATE::PREPARE2 AT +# SQL_INSERT.CC +CREATE TABLE t1 (a INT); +CREATE TABLE t2 SELECT a, a FROM t1 UNION ALL SELECT a, a FROM t1; +ERROR 42S21: Duplicate column name 'a' +DROP TABLE t1; +# Bug #17694956 RESULT DIFFERENCES IN UNION ALL QUERIES WITH LIMIT +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1); +(SELECT a FROM t1 ORDER BY a LIMIT 0) UNION ALL SELECT a FROM t1; +a +1 +DROP TABLE t1; +# Bug #17708480 FOUND_ROWS() VALUE DO NOT MATCH WITH UNION ALL QUERIES +CREATE TABLE t1 (a INT) ENGINE=MEMORY; +CREATE TABLE t2 (a INT) ENGINE=MEMORY; +INSERT INTO t2 VALUES (1); +SELECT COUNT(*) FROM ( +SELECT * FROM t2 UNION ALL SELECT * FROM t1) q; +COUNT(*) +1 +SELECT SQL_CALC_FOUND_ROWS * FROM t2 UNION ALL SELECT * FROM t1; +a +1 +SELECT FOUND_ROWS(); +FOUND_ROWS() +1 +SELECT COUNT(*) FROM ( +SELECT * FROM t1 UNION ALL SELECT * FROM t2) q; +COUNT(*) +1 +SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION ALL SELECT * FROM t2; +a +1 +SELECT FOUND_ROWS(); +FOUND_ROWS() +1 +DROP TABLE t1, t2; +# End of WL1763 tests +# +# Bug mdev-6874: crash with UNION ALL in a subquery +# +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (1,1), (2,8); +SELECT * FROM t1 t1_1 LEFT JOIN t1 t1_2 ON ( t1_2.b = t1_1.a ) +WHERE t1_2.b NOT IN ( SELECT 4 UNION ALL SELECT 5 ); +a b a b +1 1 1 1 +DROP TABLE t1; diff --cc mysql-test/suite/innodb/r/default_row_format_compatibility.result index 6ba83f04136,00000000000..376e44424bb mode 100644,000000..100644 --- a/mysql-test/suite/innodb/r/default_row_format_compatibility.result +++ b/mysql-test/suite/innodb/r/default_row_format_compatibility.result @@@ -1,103 -1,0 +1,103 @@@ +SET @row_format = @@GLOBAL.innodb_default_row_format; +SET @large_prefix = @@GLOBAL.innodb_large_prefix; +SET @file_format = @@GLOBAL.innodb_file_format; +SET GLOBAL innodb_file_format = barracuda; +# ########################################################### +# Check with Import/Export tablespace with Default_row_format +SET GLOBAL innodb_default_row_format=Compact; +SELECT @@innodb_default_row_format; +@@innodb_default_row_format +compact +SELECT @@innodb_file_per_table; +@@innodb_file_per_table +1 +CREATE TABLE tab(a INT) ENGINE=InnoDB; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL +INSERT INTO tab VALUES(1); +INSERT INTO tab VALUES(2); +SELECT * FROM tab; +a +1 +2 +FLUSH TABLE tab FOR EXPORT; +UNLOCK TABLES; +DROP TABLE tab; +SET GLOBAL innodb_default_row_format=Dynamic; +CREATE TABLE tab(a INT) ENGINE=InnoDB; +ALTER TABLE tab DISCARD TABLESPACE; +ALTER TABLE tab IMPORT TABLESPACE; - ERROR HY000: Schema mismatch (Table flags don't match, server table has 0x21 and the meta-data file has 0x1) ++ERROR HY000: Schema mismatch (Table flags don't match, server table has 0x21 and the meta-data file has 0x1; .cfg file uses ROW_FORMAT=COMPACT) +DROP TABLE tab; +SET GLOBAL innodb_default_row_format=Compact; +SELECT @@innodb_default_row_format; +@@innodb_default_row_format +compact +CREATE TABLE tab(a INT) ENGINE=InnoDB; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL +ALTER TABLE tab DISCARD TABLESPACE; +call mtr.add_suppression("InnoDB: Tried to read .* bytes at offset 0"); +ALTER TABLE tab IMPORT TABLESPACE; +ERROR HY000: Internal error: Cannot reset LSNs in table '"test"."tab"' : I/O error +ALTER TABLE tab IMPORT TABLESPACE; +SELECT * FROM tab; +a +1 +2 +DROP TABLE tab; +# ########################################################### +SET GLOBAL innodb_default_row_format=Dynamic; +SET GLOBAL innodb_large_prefix=ON; +SELECT @@innodb_default_row_format; +@@innodb_default_row_format +dynamic +CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(3070))) ENGINE= InnoDB; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL +INSERT INTO tab(a,b) VALUES(1,'Check with max column size'); +SELECT * FROM tab; +a b +1 Check with max column size +SET GLOBAL innodb_default_row_format=COMPACT; +ALTER TABLE tab ROW_FORMAT=COMPACT; +ERROR HY000: Index column size too large. The maximum column size is 767 bytes. +DROP TABLE tab; +SET GLOBAL innodb_default_row_format=Default; +SELECT @@innodb_default_row_format; +@@innodb_default_row_format +compact +SET GLOBAL innodb_default_row_format=Dynamic; +SELECT @@innodb_default_row_format; +@@innodb_default_row_format +dynamic +CREATE TABLE tab(a INT PRIMARY KEY, b VARCHAR(5000), KEY idx1(b(767))) ENGINE= InnoDB; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL +INSERT INTO tab(a,b) VALUES(1,'Check with max column size'); +SELECT * FROM tab; +a b +1 Check with max column size +ALTER TABLE tab ROW_FORMAT=COMPACT; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Compact # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=COMPACT +SELECT * FROM tab; +a b +1 Check with max column size +ALTER TABLE tab ROW_FORMAT=COMPRESSED; +SELECT * FROM tab; +a b +1 Check with max column size +ALTER TABLE tab ROW_FORMAT=Dynamic; +SHOW TABLE STATUS LIKE 'tab'; +Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment +tab InnoDB # Dynamic # # # # # # NULL # NULL NULL latin1_swedish_ci NULL row_format=DYNAMIC +DROP TABLE tab; +SET GLOBAL innodb_default_row_format = @row_format; +SET GLOBAL innodb_large_prefix = @large_prefix; +SET GLOBAL innodb_file_format = @file_format; diff --cc mysql-test/suite/sys_vars/r/sysvars_innodb,32bit,xtradb.rdiff index 65439e3ae5a,00000000000..b1c041a5444 mode 100644,000000..100644 --- a/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit,xtradb.rdiff +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb,32bit,xtradb.rdiff @@@ -1,1232 -1,0 +1,1232 @@@ +--- suite/sys_vars/r/sysvars_innodb.result ++++ suite/sys_vars/r/sysvars_innodb,32bit.reject +@@ -47,13 +47,27 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_ADAPTIVE_HASH_INDEX_PARTITIONS ++SESSION_VALUE NULL ++GLOBAL_VALUE 1 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Number of InnoDB adaptive hash index partitions (default 1: disable partitioning) ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 32 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_ADAPTIVE_MAX_SLEEP_DELAY + SESSION_VALUE NULL + GLOBAL_VALUE 150000 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 150000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT The upper limit of the sleep delay in usec. Value of 0 disables it. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 1000000 +@@ -67,10 +81,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 8388608 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator. Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures. + NUMERIC_MIN_VALUE 524288 +-NUMERIC_MAX_VALUE 9223372036854775807 ++NUMERIC_MAX_VALUE 2147483647 + NUMERIC_BLOCK_SIZE 1024 + ENUM_VALUE_LIST NULL + READ_ONLY YES +@@ -81,7 +95,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 5 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Background commit interval in seconds + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1073741824 +@@ -137,7 +151,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB API transaction isolation level + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 3 +@@ -151,7 +165,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 64 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Data file autoextend increment in megabytes + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1000 +@@ -165,7 +179,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility) 1 => New style AUTOINC locking 2 => No AUTOINC locking (unsafe for SBR) + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 2 +@@ -263,7 +277,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 100 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Dump only the hottest N% of each buffer pool, defaults to 100 + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 100 +@@ -305,7 +319,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT Number of buffer pool instances, set to higher value on high-end machines to increase scalability + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 64 +@@ -355,6 +369,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_BUFFER_POOL_POPULATE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Deprecated. This option has no effect and will be removed in MariaDB 10.2.3. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_BUFFER_POOL_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 8388608 +@@ -375,7 +403,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT A number between [0, 100] that tells how oftern buffer pool dump status in percentages should be printed. E.g. 10 means that buffer pool dump status is printed when every 10% of number of buffer pool pages are dumped. Default is 0 (only start and end status is printed). + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 100 +@@ -446,7 +474,7 @@ + DEFAULT_VALUE ON + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE BOOLEAN +-VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums. ++VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -467,6 +495,104 @@ + ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_EVICTION_FACTOR ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make page cleaner LRU flushes use evicted instead of flushed page counts for its heuristics ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_CLEANER_FLUSH_CHUNK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 100 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 100 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Divide page cleaner flush list flush batches into chunks of this size ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_FREE_LIST_LWM ++SESSION_VALUE NULL ++GLOBAL_VALUE 10 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 10 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Page cleaner will keep on flushing the same buffer pool instance if its free list length is below this percentage of innodb_lru_scan_depth ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 100 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_LRU_CHUNK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 100 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 100 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Divide page cleaner LRU list flush batches into chunks of this size ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_LSN_AGE_FACTOR ++SESSION_VALUE NULL ++GLOBAL_VALUE HIGH_CHECKPOINT ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE HIGH_CHECKPOINT ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The formula for LSN age factor for page cleaner adaptive flushing. LEGACY: Original Oracle MySQL 5.6 formula. HIGH_CHECKPOINT: (the default) Percona Server 5.6 formula. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST LEGACY,HIGH_CHECKPOINT ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_CLEANER_MAX_FLUSH_TIME ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT The maximum time limit for a single flush list flush iteration by the page cleaner thread in miliseconds ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_MAX_LRU_TIME ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT The maximum time limit for a single LRU tail flush iteration by the page cleaner thread in miliseconds ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_CMP_PER_INDEX_ENABLED + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -487,7 +613,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 1000 +@@ -515,7 +641,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 5 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT If the compression failure rate of a table is greater than this number more padding is added to the pages to reduce the failures. A value of zero implies no padding + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 100 +@@ -543,7 +669,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 50 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Percentage of empty space on a data page that can be reserved to make the page compressible. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 75 +@@ -557,14 +683,28 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 5000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket + NUMERIC_MIN_VALUE 1 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CORRUPT_TABLE_ACTION ++SESSION_VALUE NULL ++GLOBAL_VALUE assert ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE assert ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT Warn corruptions of user tables as 'corrupt table' instead of not crashing itself, when used with file_per_table. All file io for the datafile after detected as corrupt are disabled, except for the deletion. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST assert,warn,salvage ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_DATA_FILE_PATH + SESSION_VALUE NULL + GLOBAL_VALUE ibdata1:12M:autoextend +@@ -781,7 +921,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 120 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of pages reserved in doublewrite buffer for batch flushing + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 127 +@@ -789,6 +929,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY YES + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_EMPTY_FREE_LIST_ALGORITHM ++SESSION_VALUE NULL ++GLOBAL_VALUE LEGACY ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE BACKOFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm to use for empty free list handling. Allowed values: LEGACY: Original Oracle MySQL 5.6 handling with single page flushes; BACKOFF: (default) Wait until cleaner produces a free page. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST LEGACY,BACKOFF ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_ENCRYPTION_ROTATE_KEY_AGE + SESSION_VALUE NULL + GLOBAL_VALUE 1 +@@ -859,13 +1013,27 @@ + ENUM_VALUE_LIST OFF,ON,FORCE + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_FAKE_CHANGES ++SESSION_VALUE OFF ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE SESSION ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT In the transaction after enabled, UPDATE, INSERT and DELETE only move the cursor to the records and do nothing other operations (no changes, no ibuf, no undo, no transaction log) in the transaction. This is to cause replication prefetch IO. ATTENTION: the transaction started after enabled is affected. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FAST_SHUTDOWN + SESSION_VALUE NULL + GLOBAL_VALUE 1 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Speeds up the shutdown process of the InnoDB storage engine. Possible values are 0, 1 (faster) or 2 (fastest - crash-like). + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 2 +@@ -879,7 +1047,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 600 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Maximum number of seconds that semaphore times out in InnoDB. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 4294967295 +@@ -949,7 +1117,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Make the first page of the given tablespace dirty. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 4294967295 +@@ -963,7 +1131,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 30 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of iterations over which the background flushing is averaged. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1000 +@@ -986,12 +1154,12 @@ + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FLUSH_LOG_AT_TRX_COMMIT +-SESSION_VALUE NULL ++SESSION_VALUE 1 + GLOBAL_VALUE 1 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 +-VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_SCOPE SESSION ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 3 +@@ -1019,7 +1187,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Set to 0 (don't flush neighbors from buffer pool), 1 (flush contiguous neighbors from buffer pool) or 2 (flush neighbors from buffer pool), when flushing a block + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 2 +@@ -1061,7 +1229,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Helps to save your data in case the disk image of the database becomes corrupt. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 6 +@@ -1069,6 +1237,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY YES + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_FOREGROUND_PREFLUSH ++SESSION_VALUE NULL ++GLOBAL_VALUE EXPONENTIAL_BACKOFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE EXPONENTIAL_BACKOFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm InnoDB uses for the query threads at sync preflush. Possible values are SYNC_PREFLUSH: perform a sync preflush as Oracle MySQL; EXPONENTIAL_BACKOFF: (default) wait for the page cleaner flush. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST SYNC_PREFLUSH,EXPONENTIAL_BACKOFF ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FT_AUX_TABLE + SESSION_VALUE NULL + GLOBAL_VALUE +@@ -1089,7 +1271,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 8000000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search cache size in bytes + NUMERIC_MIN_VALUE 1600000 + NUMERIC_MAX_VALUE 80000000 +@@ -1131,7 +1313,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 84 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search maximum token size in characters + NUMERIC_MIN_VALUE 10 + NUMERIC_MAX_VALUE 84 +@@ -1145,7 +1327,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 3 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search minimum token size in characters + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 16 +@@ -1159,7 +1341,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 2000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search number of words to optimize for each optimize table call + NUMERIC_MIN_VALUE 1000 + NUMERIC_MAX_VALUE 10000 +@@ -1173,7 +1355,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 2000000000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search query result cache limit in bytes + NUMERIC_MIN_VALUE 1000000 + NUMERIC_MAX_VALUE 4294967295 +@@ -1201,7 +1383,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 2 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT InnoDB Fulltext search parallel sort degree, will round up to nearest power of 2 number + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 16 +@@ -1215,7 +1397,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 640000000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Total memory allocated for InnoDB Fulltext Search cache + NUMERIC_MIN_VALUE 32000000 + NUMERIC_MAX_VALUE 1600000000 +@@ -1243,7 +1425,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 100 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Up to what percentage of dirty pages should be flushed when innodb finds it has spare resources to do so. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 100 +@@ -1285,10 +1467,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 200 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of IOPs the server can do. Tunes the background IO rate + NUMERIC_MIN_VALUE 100 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -1297,12 +1479,26 @@ + SESSION_VALUE NULL + GLOBAL_VALUE 2000 + GLOBAL_VALUE_ORIGIN COMPILE-TIME +-DEFAULT_VALUE 18446744073709551615 ++DEFAULT_VALUE 4294967295 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Limit to which innodb_io_capacity can be inflated. + NUMERIC_MIN_VALUE 100 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_KILL_IDLE_TRANSACTION ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT ++VARIABLE_COMMENT No effect for this build. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 2147483647 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -1335,6 +1531,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOCKING_FAKE_CHANGES ++SESSION_VALUE NULL ++GLOBAL_VALUE ON ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ON ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT ###EXPERIMENTAL### if enabled, transactions will get S row locks instead of X locks for fake changes. If disabled, fake change transactions will not take any locks at all. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_LOCKS_UNSAFE_FOR_BINLOG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -1369,7 +1579,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 50 + VARIABLE_SCOPE SESSION +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1073741824 +@@ -1377,16 +1587,72 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOG_ARCHIVE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Set to 1 if you want to have logs archived. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_ARCH_DIR ++SESSION_VALUE NULL ++GLOBAL_VALUE PATH ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE VARCHAR ++VARIABLE_COMMENT Where full logs should be archived. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOG_ARCH_EXPIRE_SEC ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Expiration time for archived innodb transaction logs. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_BLOCK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 512 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 512 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT ###EXPERIMENTAL###: The log block size of the transaction log file. Changing for created log file is not supported. Use on your own risk! ++NUMERIC_MIN_VALUE 512 ++NUMERIC_MAX_VALUE 65536 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_LOG_BUFFER_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 1048576 + GLOBAL_VALUE_ORIGIN CONFIG + DEFAULT_VALUE 16777216 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT The size of the buffer which InnoDB uses to write log to the log files on disk. + NUMERIC_MIN_VALUE 262144 +-NUMERIC_MAX_VALUE 9223372036854775807 ++NUMERIC_MAX_VALUE 2147483647 + NUMERIC_BLOCK_SIZE 1024 + ENUM_VALUE_LIST NULL + READ_ONLY YES +@@ -1405,6 +1671,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_CHECKSUM_ALGORITHM ++SESSION_VALUE NULL ++GLOBAL_VALUE INNODB ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE INNODB ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm InnoDB uses for log block checksums. Possible values are CRC32 (hardware accelerated if the CPU supports it) write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Logs created when this option is set to crc32/strict_crc32/none/strict_none will not be readable by any MySQL version or Percona Server versions that donot support this feature ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_LOG_COMPRESSED_PAGES + SESSION_VALUE NULL + GLOBAL_VALUE ON +@@ -1425,7 +1705,7 @@ + GLOBAL_VALUE_ORIGIN CONFIG + DEFAULT_VALUE 2 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of log files in the log group. InnoDB writes to the files in a circular fashion. + NUMERIC_MIN_VALUE 2 + NUMERIC_MAX_VALUE 100 +@@ -1467,9 +1747,37 @@ + GLOBAL_VALUE_ORIGIN CONFIG + DEFAULT_VALUE 1024 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT How deep to scan LRU to keep it clean + NUMERIC_MIN_VALUE 100 ++NUMERIC_MAX_VALUE 4294967295 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_MAX_BITMAP_FILE_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 104857600 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 104857600 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum size of changed page bitmap files ++NUMERIC_MIN_VALUE 4096 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_MAX_CHANGED_PAGES ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum number of rows for INFORMATION_SCHEMA.INNODB_CHANGED_PAGES table, 0 - unlimited ++NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 18446744073709551615 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL +@@ -1509,10 +1817,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Desired maximum length of the purge queue (0 = no limit) + NUMERIC_MIN_VALUE 0 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -1523,7 +1831,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Maximum delay of user threads in micro-seconds + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 10000000 +@@ -1537,7 +1845,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT Number of identical copies of log groups we keep for the database. Currently this should be set to 1. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 10 +@@ -1607,7 +1915,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 8 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT Number of multi-threaded flush threads + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 64 +@@ -1659,14 +1967,14 @@ + COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_OPEN_FILES + SESSION_VALUE NULL +-GLOBAL_VALUE 2000 ++GLOBAL_VALUE 300 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT ++VARIABLE_TYPE INT + VARIABLE_COMMENT How many files at the maximum InnoDB keeps open at the same time. + NUMERIC_MIN_VALUE 0 +-NUMERIC_MAX_VALUE 9223372036854775807 ++NUMERIC_MAX_VALUE 2147483647 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY YES +@@ -1691,7 +1999,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 16 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of rw_locks protecting buffer pool page_hash. Rounded up to the next power of 2 + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1024 +@@ -1705,7 +2013,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 16384 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Page size to use for all InnoDB tablespaces. + NUMERIC_MIN_VALUE 4096 + NUMERIC_MAX_VALUE 65536 +@@ -1741,13 +2049,83 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRINT_LOCK_WAIT_TIMEOUT_INFO ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Print lock wait timeout info to MySQL error log (off by default) ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_CLEANER ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make buffer pool cleaner and LRU manager threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_IO ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make I/O threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_MASTER ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make buffer pool cleaner thread acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_PURGE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make purge coordinator and worker threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_PURGE_BATCH_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 300 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 300 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of UNDO log pages to purge in one batch from the history list. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 5000 +@@ -1789,7 +2167,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Purge threads can be from 1 to 32. Default is 1. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 32 +@@ -1817,7 +2195,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 56 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of pages that must be accessed sequentially for InnoDB to trigger a readahead. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 64 +@@ -1831,7 +2209,7 @@ + GLOBAL_VALUE_ORIGIN CONFIG + DEFAULT_VALUE 4 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of background read I/O threads in InnoDB. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 64 +@@ -1859,10 +2237,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Replication thread delay (ms) on the slave server if innodb_thread_concurrency is reached (0 by default) + NUMERIC_MIN_VALUE 0 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -1887,7 +2265,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 128 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of undo logs to use (deprecated). + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 128 +@@ -1901,7 +2279,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT An InnoDB page number. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 4294967295 +@@ -1909,6 +2287,48 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_SCHED_PRIORITY_IO ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Nice value for the I/O handler thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SCHED_PRIORITY_MASTER ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Nice value for the master thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SCHED_PRIORITY_PURGE ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Nice value for the purge thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_SCRUB_LOG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -1937,6 +2357,34 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_SHOW_LOCKS_HELD ++SESSION_VALUE NULL ++GLOBAL_VALUE 10 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 10 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Number of locks held to print for each InnoDB transaction in SHOW INNODB STATUS. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 1000 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SHOW_VERBOSE_LOCKS ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE INT UNSIGNED ++VARIABLE_COMMENT Whether to show records locked in SHOW INNODB STATUS. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 1 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_SIMULATE_COMP_FAILURES + SESSION_VALUE NULL + GLOBAL_VALUE 0 +@@ -1957,7 +2405,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1048576 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Memory buffer size for index creation + NUMERIC_MIN_VALUE 65536 + NUMERIC_MAX_VALUE 67108864 +@@ -1971,10 +2419,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 6 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Maximum delay between polling for a spin lock (6 by default) + NUMERIC_MIN_VALUE 0 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -2014,7 +2462,7 @@ + DEFAULT_VALUE nulls_equal + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE ENUM +-VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED ++VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -2181,7 +2629,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Size of the mutex/lock wait array. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 1024 +@@ -2195,10 +2643,10 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 30 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Count of spin-loop rounds in InnoDB mutexes (30 by default) + NUMERIC_MIN_VALUE 0 +-NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_MAX_VALUE 4294967295 + NUMERIC_BLOCK_SIZE 0 + ENUM_VALUE_LIST NULL + READ_ONLY NO +@@ -2223,7 +2671,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 1000 +@@ -2237,7 +2685,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 10000 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 1000000 +@@ -2259,6 +2707,34 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_TRACK_CHANGED_PAGES ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Track the redo log for changed pages and output a changed page bitmap ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_TRACK_REDO_LOG_NOW ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Force log tracker to catch up with checkpoint now ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -2307,7 +2783,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 128 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of undo logs to use. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 128 +@@ -2321,7 +2797,7 @@ + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of undo tablespaces to use. + NUMERIC_MIN_VALUE 0 + NUMERIC_MAX_VALUE 126 +@@ -2336,7 +2812,7 @@ + DEFAULT_VALUE OFF + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE BOOLEAN +-VARIABLE_COMMENT Prevent partial page writes, via atomic writes.The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer.Currently this option works only on Linux only with FusionIO device, and directFS filesystem. ++VARIABLE_COMMENT Prevent partial page writes, via atomic writes (beta). The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer. Currently this option works only on Linux only with FusionIO device, and directFS filesystem. + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -2357,6 +2833,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY YES + COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_USE_GLOBAL_FLUSH_LOG_AT_TRX_COMMIT ++SESSION_VALUE NULL ++GLOBAL_VALUE ON ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ON ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Use global innodb_flush_log_at_trx_commit value. (default: ON). ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_USE_MTFLUSH + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -2371,6 +2861,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY YES + COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_USE_STACKTRACE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Print stacktrace on long semaphore wait (off by default supported only on linux) ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_USE_SYS_MALLOC + SESSION_VALUE NULL + GLOBAL_VALUE ON +@@ -2401,12 +2905,12 @@ + COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_VERSION + SESSION_VALUE NULL - -GLOBAL_VALUE 5.6.40 ++-GLOBAL_VALUE 5.6.41 ++GLOBAL_VALUE 5.6.39-83.1 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE NULL + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE VARCHAR +-VARIABLE_COMMENT InnoDB version ++VARIABLE_COMMENT Percona-InnoDB-plugin version + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -2419,7 +2923,7 @@ + GLOBAL_VALUE_ORIGIN CONFIG + DEFAULT_VALUE 4 + VARIABLE_SCOPE GLOBAL +-VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_TYPE INT UNSIGNED + VARIABLE_COMMENT Number of background write I/O threads in InnoDB. + NUMERIC_MIN_VALUE 1 + NUMERIC_MAX_VALUE 64 diff --cc mysql-test/suite/sys_vars/r/sysvars_innodb,xtradb.rdiff index dafdde75e12,00000000000..e7af5f851bd mode 100644,000000..100644 --- a/mysql-test/suite/sys_vars/r/sysvars_innodb,xtradb.rdiff +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb,xtradb.rdiff @@@ -1,697 -1,0 +1,697 @@@ - --- suite/sys_vars/r/sysvars_innodb.result - +++ suite/sys_vars/r/sysvars_innodb,xtradb.reject ++--- mysql-test/suite/sys_vars/r/sysvars_innodb.result 2018-07-30 23:41:05.030930072 +0200 +++++ mysql-test/suite/sys_vars/r/sysvars_innodb,xtradb.reject 2018-07-31 09:45:20.330811949 +0200 +@@ -47,6 +47,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_ADAPTIVE_HASH_INDEX_PARTITIONS ++SESSION_VALUE NULL ++GLOBAL_VALUE 1 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Number of InnoDB adaptive hash index partitions (default 1: disable partitioning) ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 64 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_ADAPTIVE_MAX_SLEEP_DELAY + SESSION_VALUE NULL + GLOBAL_VALUE 150000 +@@ -355,6 +369,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_BUFFER_POOL_POPULATE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Deprecated. This option has no effect and will be removed in MariaDB 10.2.3. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_BUFFER_POOL_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 8388608 +@@ -446,7 +474,7 @@ + DEFAULT_VALUE ON + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE BOOLEAN +-VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums. ++VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -467,6 +495,104 @@ + ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_EVICTION_FACTOR ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make page cleaner LRU flushes use evicted instead of flushed page counts for its heuristics ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_CLEANER_FLUSH_CHUNK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 100 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 100 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Divide page cleaner flush list flush batches into chunks of this size ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_FREE_LIST_LWM ++SESSION_VALUE NULL ++GLOBAL_VALUE 10 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 10 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Page cleaner will keep on flushing the same buffer pool instance if its free list length is below this percentage of innodb_lru_scan_depth ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 100 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_LRU_CHUNK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 100 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 100 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Divide page cleaner LRU list flush batches into chunks of this size ++NUMERIC_MIN_VALUE 1 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_LSN_AGE_FACTOR ++SESSION_VALUE NULL ++GLOBAL_VALUE HIGH_CHECKPOINT ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE HIGH_CHECKPOINT ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The formula for LSN age factor for page cleaner adaptive flushing. LEGACY: Original Oracle MySQL 5.6 formula. HIGH_CHECKPOINT: (the default) Percona Server 5.6 formula. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST LEGACY,HIGH_CHECKPOINT ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_CLEANER_MAX_FLUSH_TIME ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum time limit for a single flush list flush iteration by the page cleaner thread in miliseconds ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CLEANER_MAX_LRU_TIME ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum time limit for a single LRU tail flush iteration by the page cleaner thread in miliseconds ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_CMP_PER_INDEX_ENABLED + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -565,6 +691,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_CORRUPT_TABLE_ACTION ++SESSION_VALUE NULL ++GLOBAL_VALUE assert ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE assert ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT Warn corruptions of user tables as 'corrupt table' instead of not crashing itself, when used with file_per_table. All file io for the datafile after detected as corrupt are disabled, except for the deletion. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST assert,warn,salvage ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_DATA_FILE_PATH + SESSION_VALUE NULL + GLOBAL_VALUE ibdata1:12M:autoextend +@@ -789,6 +929,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY YES + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_EMPTY_FREE_LIST_ALGORITHM ++SESSION_VALUE NULL ++GLOBAL_VALUE LEGACY ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE BACKOFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm to use for empty free list handling. Allowed values: LEGACY: Original Oracle MySQL 5.6 handling with single page flushes; BACKOFF: (default) Wait until cleaner produces a free page. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST LEGACY,BACKOFF ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_ENCRYPTION_ROTATE_KEY_AGE + SESSION_VALUE NULL + GLOBAL_VALUE 1 +@@ -859,6 +1013,20 @@ + ENUM_VALUE_LIST OFF,ON,FORCE + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_FAKE_CHANGES ++SESSION_VALUE OFF ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE SESSION ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT In the transaction after enabled, UPDATE, INSERT and DELETE only move the cursor to the records and do nothing other operations (no changes, no ibuf, no undo, no transaction log) in the transaction. This is to cause replication prefetch IO. ATTENTION: the transaction started after enabled is affected. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FAST_SHUTDOWN + SESSION_VALUE NULL + GLOBAL_VALUE 1 +@@ -986,11 +1154,11 @@ + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FLUSH_LOG_AT_TRX_COMMIT +-SESSION_VALUE NULL ++SESSION_VALUE 1 + GLOBAL_VALUE 1 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 1 +-VARIABLE_SCOPE GLOBAL ++VARIABLE_SCOPE SESSION + VARIABLE_TYPE BIGINT UNSIGNED + VARIABLE_COMMENT Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3. + NUMERIC_MIN_VALUE 0 +@@ -1069,6 +1237,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY YES + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_FOREGROUND_PREFLUSH ++SESSION_VALUE NULL ++GLOBAL_VALUE EXPONENTIAL_BACKOFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE EXPONENTIAL_BACKOFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm InnoDB uses for the query threads at sync preflush. Possible values are SYNC_PREFLUSH: perform a sync preflush as Oracle MySQL; EXPONENTIAL_BACKOFF: (default) wait for the page cleaner flush. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST SYNC_PREFLUSH,EXPONENTIAL_BACKOFF ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_FT_AUX_TABLE + SESSION_VALUE NULL + GLOBAL_VALUE +@@ -1307,6 +1489,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_KILL_IDLE_TRANSACTION ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT ++VARIABLE_COMMENT No effect for this build. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 9223372036854775807 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_LARGE_PREFIX + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -1335,6 +1531,20 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOCKING_FAKE_CHANGES ++SESSION_VALUE NULL ++GLOBAL_VALUE ON ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ON ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT ###EXPERIMENTAL### if enabled, transactions will get S row locks instead of X locks for fake changes. If disabled, fake change transactions will not take any locks at all. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_LOCKS_UNSAFE_FOR_BINLOG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -1377,6 +1587,62 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOG_ARCHIVE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Set to 1 if you want to have logs archived. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_ARCH_DIR ++SESSION_VALUE NULL ++GLOBAL_VALUE PATH ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE VARCHAR ++VARIABLE_COMMENT Where full logs should be archived. ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_LOG_ARCH_EXPIRE_SEC ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Expiration time for archived innodb transaction logs. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_BLOCK_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 512 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 512 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT ###EXPERIMENTAL###: The log block size of the transaction log file. Changing for created log file is not supported. Use on your own risk! ++NUMERIC_MIN_VALUE 512 ++NUMERIC_MAX_VALUE 65536 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_LOG_BUFFER_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 1048576 +@@ -1405,6 +1671,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_LOG_CHECKSUM_ALGORITHM ++SESSION_VALUE NULL ++GLOBAL_VALUE INNODB ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE INNODB ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE ENUM ++VARIABLE_COMMENT The algorithm InnoDB uses for log block checksums. Possible values are CRC32 (hardware accelerated if the CPU supports it) write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Logs created when this option is set to crc32/strict_crc32/none/strict_none will not be readable by any MySQL version or Percona Server versions that donot support this feature ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_LOG_COMPRESSED_PAGES + SESSION_VALUE NULL + GLOBAL_VALUE ON +@@ -1475,6 +1755,34 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_MAX_BITMAP_FILE_SIZE ++SESSION_VALUE NULL ++GLOBAL_VALUE 104857600 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 104857600 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum size of changed page bitmap files ++NUMERIC_MIN_VALUE 4096 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_MAX_CHANGED_PAGES ++SESSION_VALUE NULL ++GLOBAL_VALUE 1000000 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 1000000 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT The maximum number of rows for INFORMATION_SCHEMA.INNODB_CHANGED_PAGES table, 0 - unlimited ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 18446744073709551615 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT + SESSION_VALUE NULL + GLOBAL_VALUE 75.000000 +@@ -1659,7 +1967,7 @@ + COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_OPEN_FILES + SESSION_VALUE NULL +-GLOBAL_VALUE 2000 ++GLOBAL_VALUE 300 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE 0 + VARIABLE_SCOPE GLOBAL +@@ -1741,6 +2049,76 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRINT_LOCK_WAIT_TIMEOUT_INFO ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Print lock wait timeout info to MySQL error log (off by default) ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_CLEANER ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make buffer pool cleaner and LRU manager threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_IO ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make I/O threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_MASTER ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make buffer pool cleaner thread acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_PRIORITY_PURGE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Make purge coordinator and worker threads acquire shared resources with priority ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_PURGE_BATCH_SIZE + SESSION_VALUE NULL + GLOBAL_VALUE 300 +@@ -1909,6 +2287,48 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_SCHED_PRIORITY_IO ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Nice value for the I/O handler thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SCHED_PRIORITY_MASTER ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Nice value for the master thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SCHED_PRIORITY_PURGE ++SESSION_VALUE NULL ++GLOBAL_VALUE 19 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 19 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Nice value for the purge thread scheduling ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 39 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED + VARIABLE_NAME INNODB_SCRUB_LOG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -1937,6 +2357,34 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_SHOW_LOCKS_HELD ++SESSION_VALUE NULL ++GLOBAL_VALUE 10 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 10 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Number of locks held to print for each InnoDB transaction in SHOW INNODB STATUS. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 1000 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT REQUIRED ++VARIABLE_NAME INNODB_SHOW_VERBOSE_LOCKS ++SESSION_VALUE NULL ++GLOBAL_VALUE 0 ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE 0 ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BIGINT UNSIGNED ++VARIABLE_COMMENT Whether to show records locked in SHOW INNODB STATUS. ++NUMERIC_MIN_VALUE 0 ++NUMERIC_MAX_VALUE 1 ++NUMERIC_BLOCK_SIZE 0 ++ENUM_VALUE_LIST NULL ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_SIMULATE_COMP_FAILURES + SESSION_VALUE NULL + GLOBAL_VALUE 0 +@@ -2014,7 +2462,7 @@ + DEFAULT_VALUE nulls_equal + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE ENUM +-VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED ++VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -2259,6 +2707,34 @@ + ENUM_VALUE_LIST NULL + READ_ONLY NO + COMMAND_LINE_ARGUMENT OPTIONAL ++VARIABLE_NAME INNODB_TRACK_CHANGED_PAGES ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Track the redo log for changed pages and output a changed page bitmap ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_TRACK_REDO_LOG_NOW ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Force log tracker to catch up with checkpoint now ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -2336,7 +2812,7 @@ + DEFAULT_VALUE OFF + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE BOOLEAN +-VARIABLE_COMMENT Prevent partial page writes, via atomic writes.The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer.Currently this option works only on Linux only with FusionIO device, and directFS filesystem. ++VARIABLE_COMMENT Prevent partial page writes, via atomic writes (beta). The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer. Currently this option works only on Linux only with FusionIO device, and directFS filesystem. + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL +@@ -2357,6 +2833,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY YES + COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_USE_GLOBAL_FLUSH_LOG_AT_TRX_COMMIT ++SESSION_VALUE NULL ++GLOBAL_VALUE ON ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE ON ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Use global innodb_flush_log_at_trx_commit value. (default: ON). ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY NO ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_USE_MTFLUSH + SESSION_VALUE NULL + GLOBAL_VALUE OFF +@@ -2371,6 +2861,20 @@ + ENUM_VALUE_LIST OFF,ON + READ_ONLY YES + COMMAND_LINE_ARGUMENT NONE ++VARIABLE_NAME INNODB_USE_STACKTRACE ++SESSION_VALUE NULL ++GLOBAL_VALUE OFF ++GLOBAL_VALUE_ORIGIN COMPILE-TIME ++DEFAULT_VALUE OFF ++VARIABLE_SCOPE GLOBAL ++VARIABLE_TYPE BOOLEAN ++VARIABLE_COMMENT Print stacktrace on long semaphore wait (off by default supported only on linux) ++NUMERIC_MIN_VALUE NULL ++NUMERIC_MAX_VALUE NULL ++NUMERIC_BLOCK_SIZE NULL ++ENUM_VALUE_LIST OFF,ON ++READ_ONLY YES ++COMMAND_LINE_ARGUMENT NONE + VARIABLE_NAME INNODB_USE_SYS_MALLOC + SESSION_VALUE NULL + GLOBAL_VALUE ON +@@ -2401,12 +2905,12 @@ + COMMAND_LINE_ARGUMENT OPTIONAL + VARIABLE_NAME INNODB_VERSION + SESSION_VALUE NULL - -GLOBAL_VALUE 5.6.40 ++-GLOBAL_VALUE 5.6.41 ++GLOBAL_VALUE 5.6.39-83.1 + GLOBAL_VALUE_ORIGIN COMPILE-TIME + DEFAULT_VALUE NULL + VARIABLE_SCOPE GLOBAL + VARIABLE_TYPE VARCHAR +-VARIABLE_COMMENT InnoDB version ++VARIABLE_COMMENT Percona-InnoDB-plugin version + NUMERIC_MIN_VALUE NULL + NUMERIC_MAX_VALUE NULL + NUMERIC_BLOCK_SIZE NULL diff --cc mysql-test/suite/sys_vars/r/sysvars_innodb.result index 05bb199acbf,00000000000..62c29de5f60 mode 100644,000000..100644 --- a/mysql-test/suite/sys_vars/r/sysvars_innodb.result +++ b/mysql-test/suite/sys_vars/r/sysvars_innodb.result @@@ -1,2429 -1,0 +1,2429 @@@ +select * from information_schema.system_variables +where variable_name like 'innodb%' and +variable_name not in ( +'innodb_disallow_writes', # only available WITH_WSREP +'innodb_sched_priority_cleaner', # linux only +'innodb_use_native_aio') # default value depends on OS +order by variable_name; +VARIABLE_NAME INNODB_ADAPTIVE_FLUSHING +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Attempt flushing dirty pages to avoid IO bursts at checkpoints. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_ADAPTIVE_FLUSHING_LWM +SESSION_VALUE NULL +GLOBAL_VALUE 10.000000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 10.000000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE DOUBLE +VARIABLE_COMMENT Percentage of log capacity below which no adaptive flushing happens. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 70 +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ADAPTIVE_HASH_INDEX +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB adaptive hash index (enabled by default). Disable with --skip-innodb-adaptive-hash-index. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_ADAPTIVE_MAX_SLEEP_DELAY +SESSION_VALUE NULL +GLOBAL_VALUE 150000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 150000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT The upper limit of the sleep delay in usec. Value of 0 disables it. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 1000000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ADDITIONAL_MEM_POOL_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 8388608 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 8388608 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator. Size of a memory pool InnoDB uses to store data dictionary information and other internal data structures. +NUMERIC_MIN_VALUE 524288 +NUMERIC_MAX_VALUE 9223372036854775807 +NUMERIC_BLOCK_SIZE 1024 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_API_BK_COMMIT_INTERVAL +SESSION_VALUE NULL +GLOBAL_VALUE 5 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 5 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Background commit interval in seconds +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1073741824 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_API_DISABLE_ROWLOCK +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Disable row lock when direct access InnoDB through InnoDB APIs +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_API_ENABLE_BINLOG +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable binlog for applications direct access InnoDB through InnoDB APIs +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_API_ENABLE_MDL +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable MDL for applications direct access InnoDB through InnoDB APIs +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_API_TRX_LEVEL +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB API transaction isolation level +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 3 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_AUTOEXTEND_INCREMENT +SESSION_VALUE NULL +GLOBAL_VALUE 64 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 64 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Data file autoextend increment in megabytes +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_AUTOINC_LOCK_MODE +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility) 1 => New style AUTOINC locking 2 => No AUTOINC locking (unsafe for SBR) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 2 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BACKGROUND_SCRUB_DATA_CHECK_INTERVAL +SESSION_VALUE NULL +GLOBAL_VALUE 3600 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 3600 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT check if spaces needs scrubbing every innodb_background_scrub_data_check_interval seconds +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BACKGROUND_SCRUB_DATA_COMPRESSED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable scrubbing of compressed data by background threads (same as encryption_threads) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BACKGROUND_SCRUB_DATA_INTERVAL +SESSION_VALUE NULL +GLOBAL_VALUE 604800 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 604800 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT scrub spaces that were last scrubbed longer than innodb_background_scrub_data_interval seconds ago +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BACKGROUND_SCRUB_DATA_UNCOMPRESSED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable scrubbing of uncompressed data by background threads (same as encryption_threads) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_DUMP_AT_SHUTDOWN +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Dump the buffer pool into a file named @@innodb_buffer_pool_filename +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_DUMP_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Trigger an immediate dump of the buffer pool into a file named @@innodb_buffer_pool_filename +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_DUMP_PCT +SESSION_VALUE NULL +GLOBAL_VALUE 100 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 100 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Dump only the hottest N% of each buffer pool, defaults to 100 +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_EVICT +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Evict pages from the buffer pool +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_FILENAME +SESSION_VALUE NULL +GLOBAL_VALUE ib_buffer_pool +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ib_buffer_pool +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Filename to/from which to dump/load the InnoDB buffer pool +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_INSTANCES +SESSION_VALUE NULL +GLOBAL_VALUE 8 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT Number of buffer pool instances, set to higher value on high-end machines to increase scalability +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 64 +NUMERIC_BLOCK_SIZE 1 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_ABORT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Abort a currently running load of the buffer pool +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_AT_STARTUP +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Load the buffer pool from a file named @@innodb_buffer_pool_filename +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_LOAD_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Trigger an immediate load of the buffer pool from a file named @@innodb_buffer_pool_filename +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUFFER_POOL_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 8388608 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 134217728 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT The size of the memory buffer InnoDB uses to cache data and indexes of its tables. +NUMERIC_MIN_VALUE 5242880 +NUMERIC_MAX_VALUE 9223372036854775807 +NUMERIC_BLOCK_SIZE 1048576 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUF_DUMP_STATUS_FREQUENCY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT A number between [0, 100] that tells how oftern buffer pool dump status in percentages should be printed. E.g. 10 means that buffer pool dump status is printed when every 10% of number of buffer pool pages are dumped. Default is 0 (only start and end status is printed). +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_BUF_FLUSH_LIST_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Force dirty page flush now +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_CHANGE_BUFFERING +SESSION_VALUE NULL +GLOBAL_VALUE all +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE all +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Buffer changes to reduce random access: OFF, ON, inserting, deleting, changing, or purging. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_CHANGE_BUFFERING_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Debug flags for InnoDB change buffering (0=none, 2=crash at merge) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 2 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_CHANGE_BUFFER_MAX_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 25 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 25 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Maximum on-disk size of change buffer in terms of percentage of the buffer pool. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 50 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_CHECKSUMS +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT DEPRECATED. Use innodb_checksum_algorithm=NONE instead of setting this to OFF. Enable InnoDB checksums validation (enabled by default). Disable with --skip-innodb-checksums. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_CHECKSUM_ALGORITHM +SESSION_VALUE NULL +GLOBAL_VALUE INNODB +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE INNODB +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT The algorithm InnoDB uses for page checksumming. Possible values are CRC32 (hardware accelerated if the CPU supports it) write crc32, allow any of the other checksums to match when reading; STRICT_CRC32 write crc32, do not allow other algorithms to match when reading; INNODB write a software calculated checksum, allow any other checksums to match when reading; STRICT_INNODB write a software calculated checksum, do not allow other algorithms to match when reading; NONE write a constant magic number, do not do any checksum verification when reading (same as innodb_checksums=OFF); STRICT_NONE write a constant magic number, do not allow values other than that magic number when reading; Files updated when this option is set to crc32 or strict_crc32 will not be readable by MySQL versions older than 5.6.3 +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST CRC32,STRICT_CRC32,INNODB,STRICT_INNODB,NONE,STRICT_NONE +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_CMP_PER_INDEX_ENABLED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable INFORMATION_SCHEMA.innodb_cmp_per_index, may have negative impact on performance (off by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_COMMIT_CONCURRENCY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 1000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_COMPRESSION_ALGORITHM +SESSION_VALUE NULL +GLOBAL_VALUE zlib +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE zlib +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT Compression algorithm used on page compression. One of: none, zlib, lz4, lzo, lzma, or bzip2 +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST none,zlib,lz4,lzo,lzma,bzip2,snappy +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_COMPRESSION_FAILURE_THRESHOLD_PCT +SESSION_VALUE NULL +GLOBAL_VALUE 5 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 5 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT If the compression failure rate of a table is greater than this number more padding is added to the pages to reduce the failures. A value of zero implies no padding +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_COMPRESSION_LEVEL +SESSION_VALUE NULL +GLOBAL_VALUE 6 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 6 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Compression level used for zlib compression. 0 is no compression, 1 is fastest, 9 is best compression and default is 6. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 9 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_COMPRESSION_PAD_PCT_MAX +SESSION_VALUE NULL +GLOBAL_VALUE 50 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 50 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Percentage of empty space on a data page that can be reserved to make the page compressible. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 75 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_CONCURRENCY_TICKETS +SESSION_VALUE NULL +GLOBAL_VALUE 5000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 5000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of times a thread is allowed to enter InnoDB within the same SQL query after it has once got the ticket +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DATA_FILE_PATH +SESSION_VALUE NULL +GLOBAL_VALUE ibdata1:12M:autoextend +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Path to individual files and their sizes. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DATA_FILE_SIZE_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT InnoDB system tablespace size to be set in recovery. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DATA_HOME_DIR +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT The common part for InnoDB table spaces. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEBUG_FORCE_SCRUBBING +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Perform extra scrubbing to increase test exposure +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFAULT_ENCRYPTION_KEY_ID +SESSION_VALUE 1 +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE SESSION +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Default encryption key id used for table encryption. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFAULT_ROW_FORMAT +SESSION_VALUE NULL +GLOBAL_VALUE compact +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE compact +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT The default ROW FORMAT for all innodb tables created without explicit ROW_FORMAT. Possible values are REDUNDANT, COMPACT, and DYNAMIC. The ROW_FORMAT value COMPRESSED is not allowed +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST redundant,compact,dynamic +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable/disable InnoDB defragmentation (default FALSE). When set to FALSE, all existing defragmentation will be paused. And new defragmentation command will fail.Paused defragmentation commands will resume when this variable is set to true again. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT_FILL_FACTOR +SESSION_VALUE NULL +GLOBAL_VALUE 0.900000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0.900000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE DOUBLE +VARIABLE_COMMENT A number between [0.7, 1] that tells defragmentation how full it should fill a page. Default is 0.9. Number below 0.7 won't make much sense.This variable, together with innodb_defragment_fill_factor_n_recs, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective. +NUMERIC_MIN_VALUE 0.7 +NUMERIC_MAX_VALUE 1 +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT_FILL_FACTOR_N_RECS +SESSION_VALUE NULL +GLOBAL_VALUE 20 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 20 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT How many records of space defragmentation should leave on the page. This variable, together with innodb_defragment_fill_factor, is introduced so defragmentation won't pack the page too full and cause page split on the next insert on every page. The variable indicating more defragmentation gain is the one effective. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT_FREQUENCY +SESSION_VALUE NULL +GLOBAL_VALUE 40 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 40 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Do not defragment a single index more than this number of time per second.This controls the number of time defragmentation thread can request X_LOCK on an index. Defragmentation thread will check whether 1/defragment_frequency (s) has passed since it worked on this index last time, and put the index back to the queue if not enough time has passed. The actual frequency can only be lower than this given number. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT_N_PAGES +SESSION_VALUE NULL +GLOBAL_VALUE 7 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 7 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Number of pages considered at once when merging multiple pages to defragment +NUMERIC_MIN_VALUE 2 +NUMERIC_MAX_VALUE 32 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DEFRAGMENT_STATS_ACCURACY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT How many defragment stats changes there are before the stats are written to persistent storage. Set to 0 meaning disable defragment stats tracking. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_DISABLE_BACKGROUND_MERGE +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Disable change buffering merges by the master thread +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_DISABLE_SORT_FILE_CACHE +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Whether to disable OS system file cache for sort I/O +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_DOUBLEWRITE +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB doublewrite buffer (enabled by default). Disable with --skip-innodb-doublewrite. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_DOUBLEWRITE_BATCH_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 120 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 120 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of pages reserved in doublewrite buffer for batch flushing +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 127 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_ENCRYPTION_ROTATE_KEY_AGE +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Key rotation - re-encrypt in background all pages that were encrypted with a key that many (or more) versions behind. Value 0 indicates that key rotation is disabled. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ENCRYPTION_ROTATION_IOPS +SESSION_VALUE NULL +GLOBAL_VALUE 100 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 100 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Use this many iops for background key rotation +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ENCRYPTION_THREADS +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Number of threads performing background key rotation and scrubbing +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ENCRYPT_LOG +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable redo log encryption +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_ENCRYPT_TABLES +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT Enable encryption for tables. Don't forget to enable --innodb-encrypt-log too +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON,FORCE +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FAST_SHUTDOWN +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Speeds up the shutdown process of the InnoDB storage engine. Possible values are 0, 1 (faster) or 2 (fastest - crash-like). +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 2 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FATAL_SEMAPHORE_WAIT_THRESHOLD +SESSION_VALUE NULL +GLOBAL_VALUE 600 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 600 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Maximum number of seconds that semaphore times out in InnoDB. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FILE_FORMAT +SESSION_VALUE NULL +GLOBAL_VALUE Antelope +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE Antelope +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT File format to use for new tables in .ibd files. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FILE_FORMAT_CHECK +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Whether to perform system file format check. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_FILE_FORMAT_MAX +SESSION_VALUE NULL +GLOBAL_VALUE Antelope +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE Antelope +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT The highest file format in the tablespace. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FILE_PER_TABLE +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Stores each InnoDB table to an .ibd file in the database dir. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_FIL_MAKE_PAGE_DIRTY_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Make the first page of the given tablespace dirty. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FLUSHING_AVG_LOOPS +SESSION_VALUE NULL +GLOBAL_VALUE 30 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 30 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of iterations over which the background flushing is averaged. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FLUSH_LOG_AT_TIMEOUT +SESSION_VALUE NULL +GLOBAL_VALUE 3 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Write and flush logs every (n) second. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 2700 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FLUSH_LOG_AT_TRX_COMMIT +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Controls the durability/speed trade-off for commits. Set to 0 (write and flush redo log to disk only once per second), 1 (flush to disk at each commit), 2 (write to log at commit but flush to disk only once per second) or 3 (flush to disk at prepare and at commit, slower and usually redundant). 1 and 3 guarantees that after a crash, committed transactions will not be lost and will be consistent with the binlog and other transactional engines. 2 can get inconsistent and lose transactions if there is a power failure or kernel crash but not if mysqld crashes. 0 has no guarantees in case of crash. 0 and 2 can be faster than 1 or 3. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 3 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FLUSH_METHOD +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT With which method to flush data. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FLUSH_NEIGHBORS +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Set to 0 (don't flush neighbors from buffer pool), 1 (flush contiguous neighbors from buffer pool) or 2 (flush neighbors from buffer pool), when flushing a block +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 2 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FORCE_LOAD_CORRUPTED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Force InnoDB to load metadata of corrupted table. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_FORCE_PRIMARY_KEY +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Do not allow to create table without primary key (off by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FORCE_RECOVERY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Helps to save your data in case the disk image of the database becomes corrupt. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 6 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_AUX_TABLE +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT FTS internal auxiliary table to be checked +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_FT_CACHE_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 8000000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 8000000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search cache size in bytes +NUMERIC_MIN_VALUE 1600000 +NUMERIC_MAX_VALUE 80000000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_ENABLE_DIAG_PRINT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Whether to enable additional FTS diagnostic printout +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FT_ENABLE_STOPWORD +SESSION_VALUE ON +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE SESSION +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Create FTS index with stopword. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FT_MAX_TOKEN_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 84 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 84 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search maximum token size in characters +NUMERIC_MIN_VALUE 10 +NUMERIC_MAX_VALUE 84 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_MIN_TOKEN_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 3 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 3 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search minimum token size in characters +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 16 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_NUM_WORD_OPTIMIZE +SESSION_VALUE NULL +GLOBAL_VALUE 2000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 2000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search number of words to optimize for each optimize table call +NUMERIC_MIN_VALUE 1000 +NUMERIC_MAX_VALUE 10000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FT_RESULT_CACHE_LIMIT +SESSION_VALUE NULL +GLOBAL_VALUE 2000000000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 2000000000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search query result cache limit in bytes +NUMERIC_MIN_VALUE 1000000 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_SERVER_STOPWORD_TABLE +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT The user supplied stopword table name. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_FT_SORT_PLL_DEGREE +SESSION_VALUE NULL +GLOBAL_VALUE 2 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 2 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT InnoDB Fulltext search parallel sort degree, will round up to nearest power of 2 number +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 16 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_TOTAL_CACHE_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 640000000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 640000000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Total memory allocated for InnoDB Fulltext Search cache +NUMERIC_MIN_VALUE 32000000 +NUMERIC_MAX_VALUE 1600000000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_FT_USER_STOPWORD_TABLE +SESSION_VALUE +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE SESSION +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT User supplied stopword table name, effective in the session level. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_IDLE_FLUSH_PCT +SESSION_VALUE NULL +GLOBAL_VALUE 100 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 100 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Up to what percentage of dirty pages should be flushed when innodb finds it has spare resources to do so. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable scrubbing of data +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_INSTRUMENT_SEMAPHORES +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable semaphore request instrumentation. This could have some effect on performance but allows better information on long semaphore wait problems. (Default: not enabled) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_IO_CAPACITY +SESSION_VALUE NULL +GLOBAL_VALUE 200 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 200 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of IOPs the server can do. Tunes the background IO rate +NUMERIC_MIN_VALUE 100 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_IO_CAPACITY_MAX +SESSION_VALUE NULL +GLOBAL_VALUE 2000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 18446744073709551615 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Limit to which innodb_io_capacity can be inflated. +NUMERIC_MIN_VALUE 100 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LARGE_PREFIX +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Support large index prefix length of REC_VERSION_56_MAX_INDEX_COL_LEN (3072) bytes. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Artificially limit the number of records per B-tree page (0=unlimited). +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOCKS_UNSAFE_FOR_BINLOG +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases. Please use READ COMMITTED transaction isolation level instead. Force InnoDB to not use next-key locking, to use only row-level locking. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_LOCK_SCHEDULE_ALGORITHM +SESSION_VALUE NULL +GLOBAL_VALUE fcfs +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE fcfs +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT The algorithm Innodb uses for deciding which locks to grant next when a lock is released. Possible values are FCFS grant the locks in First-Come-First-Served order; VATS use the Variance-Aware-Transaction-Scheduling algorithm, which uses an Eldest-Transaction-First heuristic. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST fcfs,vats +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOCK_WAIT_TIMEOUT +SESSION_VALUE 50 +GLOBAL_VALUE 50 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 50 +VARIABLE_SCOPE SESSION +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1073741824 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOG_BUFFER_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 1048576 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 16777216 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT The size of the buffer which InnoDB uses to write log to the log files on disk. +NUMERIC_MIN_VALUE 262144 +NUMERIC_MAX_VALUE 9223372036854775807 +NUMERIC_BLOCK_SIZE 1024 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOG_CHECKPOINT_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Force checkpoint now +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_LOG_COMPRESSED_PAGES +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enables/disables the logging of entire compressed page images. InnoDB logs the compressed pages to prevent corruption if the zlib compression algorithm changes. When turned OFF, InnoDB will assume that the zlib compression algorithm doesn't change. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_LOG_FILES_IN_GROUP +SESSION_VALUE NULL +GLOBAL_VALUE 2 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 2 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of log files in the log group. InnoDB writes to the files in a circular fashion. +NUMERIC_MIN_VALUE 2 +NUMERIC_MAX_VALUE 100 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOG_FILE_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 5242880 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 50331648 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT Size of each log file in a log group. +NUMERIC_MIN_VALUE 1048576 +NUMERIC_MAX_VALUE 9223372036854775807 +NUMERIC_BLOCK_SIZE 1048576 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LOG_GROUP_HOME_DIR +SESSION_VALUE NULL +GLOBAL_VALUE PATH +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Path to InnoDB log files. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_LRU_SCAN_DEPTH +SESSION_VALUE NULL +GLOBAL_VALUE 100 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 1024 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT How deep to scan LRU to keep it clean +NUMERIC_MIN_VALUE 100 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT +SESSION_VALUE NULL +GLOBAL_VALUE 75.000000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 75.000000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE DOUBLE +VARIABLE_COMMENT Percentage of dirty pages allowed in bufferpool. +NUMERIC_MIN_VALUE 0.001 +NUMERIC_MAX_VALUE 99.999 +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MAX_DIRTY_PAGES_PCT_LWM +SESSION_VALUE NULL +GLOBAL_VALUE 0.001000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0.001000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE DOUBLE +VARIABLE_COMMENT Percentage of dirty pages at which flushing kicks in. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 99.999 +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MAX_PURGE_LAG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Desired maximum length of the purge queue (0 = no limit) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MAX_PURGE_LAG_DELAY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Maximum delay of user threads in micro-seconds +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 10000000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MIRRORED_LOG_GROUPS +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT Number of identical copies of log groups we keep for the database. Currently this should be set to 1. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 10 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MONITOR_DISABLE +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Turn off a monitor counter +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MONITOR_ENABLE +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Turn on a monitor counter +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MONITOR_RESET +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Reset a monitor counter +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MONITOR_RESET_ALL +SESSION_VALUE NULL +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Reset all values for a monitor counter +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_MTFLUSH_THREADS +SESSION_VALUE NULL +GLOBAL_VALUE 8 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 8 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT Number of multi-threaded flush threads +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 64 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_OLD_BLOCKS_PCT +SESSION_VALUE NULL +GLOBAL_VALUE 37 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 37 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Percentage of the buffer pool to reserve for 'old' blocks. +NUMERIC_MIN_VALUE 5 +NUMERIC_MAX_VALUE 95 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_OLD_BLOCKS_TIME +SESSION_VALUE NULL +GLOBAL_VALUE 1000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Move blocks to the 'new' end of the buffer pool if the first access was at least this many milliseconds ago. The timeout is disabled if 0. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ONLINE_ALTER_LOG_MAX_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 134217728 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 134217728 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Maximum modification log file size for online index creation +NUMERIC_MIN_VALUE 65536 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_OPEN_FILES +SESSION_VALUE NULL +GLOBAL_VALUE 2000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT +VARIABLE_COMMENT How many files at the maximum InnoDB keeps open at the same time. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 9223372036854775807 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_OPTIMIZE_FULLTEXT_ONLY +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Only optimize the Fulltext index of the table +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_PAGE_HASH_LOCKS +SESSION_VALUE NULL +GLOBAL_VALUE 16 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 16 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of rw_locks protecting buffer pool page_hash. Rounded up to the next power of 2 +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1024 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PAGE_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 16384 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 16384 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Page size to use for all InnoDB tablespaces. +NUMERIC_MIN_VALUE 4096 +NUMERIC_MAX_VALUE 65536 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PREFIX_INDEX_CLUSTER_OPTIMIZATION +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable prefix optimization to sometimes avoid cluster index lookups. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PRINT_ALL_DEADLOCKS +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Print all deadlocks to MySQL error log (off by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PURGE_BATCH_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 300 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 300 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of UNDO log pages to purge in one batch from the history list. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 5000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PURGE_RUN_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Set purge state to RUN +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PURGE_STOP_NOW +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Set purge state to STOP +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_PURGE_THREADS +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Purge threads can be from 1 to 32. Default is 1. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 32 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_RANDOM_READ_AHEAD +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Whether to use read ahead for random access within an extent. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_READ_AHEAD_THRESHOLD +SESSION_VALUE NULL +GLOBAL_VALUE 56 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 56 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of pages that must be accessed sequentially for InnoDB to trigger a readahead. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 64 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_READ_IO_THREADS +SESSION_VALUE NULL +GLOBAL_VALUE 2 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 4 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of background read I/O threads in InnoDB. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 64 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_READ_ONLY +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Start InnoDB in read only mode (off by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_REPLICATION_DELAY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Replication thread delay (ms) on the slave server if innodb_thread_concurrency is reached (0 by default) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_ROLLBACK_ON_TIMEOUT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Roll back the complete transaction on lock wait timeout, for 4.x compatibility (disabled by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_ROLLBACK_SEGMENTS +SESSION_VALUE NULL +GLOBAL_VALUE 128 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 128 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of undo logs to use (deprecated). +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 128 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SAVED_PAGE_NUMBER_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT An InnoDB page number. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 4294967295 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SCRUB_LOG +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable background redo log (ib_logfile0, ib_logfile1...) scrubbing +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SCRUB_LOG_SPEED +SESSION_VALUE NULL +GLOBAL_VALUE 256 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 256 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Background redo log scrubbing speed in bytes/sec +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 50000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SIMULATE_COMP_FAILURES +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Simulate compression failures. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 99 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_SORT_BUFFER_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 1048576 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1048576 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Memory buffer size for index creation +NUMERIC_MIN_VALUE 65536 +NUMERIC_MAX_VALUE 67108864 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_SPIN_WAIT_DELAY +SESSION_VALUE NULL +GLOBAL_VALUE 6 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 6 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Maximum delay between polling for a spin lock (6 by default) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATS_AUTO_RECALC +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT InnoDB automatic recalculation of persistent statistics enabled for all tables unless overridden at table level (automatic recalculation is only done when InnoDB decides that the table has changed too much and needs a new statistics) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATS_INCLUDE_DELETE_MARKED +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Scan delete marked records for persistent stat +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATS_METHOD +SESSION_VALUE NULL +GLOBAL_VALUE nulls_equal +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE nulls_equal +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE ENUM +VARIABLE_COMMENT Specifies how InnoDB index statistics collection code should treat NULLs. Possible values are NULLS_EQUAL (default), NULLS_UNEQUAL and NULLS_IGNORED +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST nulls_equal,nulls_unequal,nulls_ignored +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATS_MODIFIED_COUNTER +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT The number of rows modified before we calculate new statistics (default 0 = current limits) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATS_ON_METADATA +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable statistics gathering for metadata commands such as SHOW TABLE STATUS for tables that use transient statistics (off by default) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATS_PERSISTENT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT InnoDB persistent statistics enabled for all tables unless overridden at table level +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATS_PERSISTENT_SAMPLE_PAGES +SESSION_VALUE NULL +GLOBAL_VALUE 20 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 20 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT The number of leaf index pages to sample when calculating persistent statistics (by ANALYZE, default 20) +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATS_SAMPLE_PAGES +SESSION_VALUE NULL +GLOBAL_VALUE 8 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 8 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Deprecated, use innodb_stats_transient_sample_pages instead +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATS_TRADITIONAL +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable traditional statistic calculation based on number of configured pages (default true) +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATS_TRANSIENT_SAMPLE_PAGES +SESSION_VALUE NULL +GLOBAL_VALUE 8 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 8 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT The number of leaf index pages to sample when calculating transient statistics (if persistent statistics are not used, default 8) +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_STATUS_OUTPUT +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB monitor output to the error log. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STATUS_OUTPUT_LOCKS +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB lock monitor output to the error log. Requires innodb_status_output=ON. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_STRICT_MODE +SESSION_VALUE OFF +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE SESSION +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Use strict mode when evaluating create options. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SUPPORT_XA +SESSION_VALUE ON +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE SESSION +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB support for the XA two-phase commit +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SYNC_ARRAY_SIZE +SESSION_VALUE NULL +GLOBAL_VALUE 1 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 1 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Size of the mutex/lock wait array. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 1024 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_SYNC_SPIN_LOOPS +SESSION_VALUE NULL +GLOBAL_VALUE 30 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 30 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Count of spin-loop rounds in InnoDB mutexes (30 by default) +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 18446744073709551615 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_TABLE_LOCKS +SESSION_VALUE ON +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE SESSION +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Enable InnoDB locking in LOCK TABLES +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_THREAD_CONCURRENCY +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Helps in performance tuning in heavily concurrent environments. Sets the maximum number of threads allowed inside InnoDB. Value 0 will disable the thread throttling. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 1000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_THREAD_SLEEP_DELAY +SESSION_VALUE NULL +GLOBAL_VALUE 10000 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 10000 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Time of innodb thread sleeping before joining InnoDB queue (usec). Value 0 disable a sleep +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 1000000 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_TMPDIR +SESSION_VALUE +GLOBAL_VALUE +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE +VARIABLE_SCOPE SESSION +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Directory for temporary non-tablespace files. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_TRX_PURGE_VIEW_UPDATE_ONLY_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Pause actual purging any delete-marked records, but merely update the purge view. It is to create artificially the situation the purge view have been updated but the each purges were not done yet. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT NULL +VARIABLE_NAME INNODB_TRX_RSEG_N_SLOTS_DEBUG +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE INT UNSIGNED +VARIABLE_COMMENT Debug flags for InnoDB to limit TRX_RSEG_N_SLOTS for trx_rsegf_undo_find_free() +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 1024 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT NULL +VARIABLE_NAME INNODB_UNDO_DIRECTORY +SESSION_VALUE NULL +GLOBAL_VALUE . +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE . +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT Directory where undo tablespace files live, this path can be absolute. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_UNDO_LOGS +SESSION_VALUE NULL +GLOBAL_VALUE 128 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 128 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of undo logs to use. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 128 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_UNDO_TABLESPACES +SESSION_VALUE NULL +GLOBAL_VALUE 0 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE 0 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of undo tablespaces to use. +NUMERIC_MIN_VALUE 0 +NUMERIC_MAX_VALUE 126 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED +VARIABLE_NAME INNODB_USE_ATOMIC_WRITES +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Prevent partial page writes, via atomic writes.The option is used to prevent partial writes in case of a crash/poweroff, as faster alternative to doublewrite buffer.Currently this option works only on Linux only with FusionIO device, and directFS filesystem. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_USE_FALLOCATE +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Preallocate files fast, using operating system functionality. On POSIX systems, posix_fallocate system call is used. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_USE_MTFLUSH +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Use multi-threaded flush. Default FALSE. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_USE_SYS_MALLOC +SESSION_VALUE NULL +GLOBAL_VALUE ON +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE ON +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT DEPRECATED. This option may be removed in future releases, together with the InnoDB's internal memory allocator. Use OS memory allocator instead of InnoDB's internal memory allocator +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY YES +COMMAND_LINE_ARGUMENT NONE +VARIABLE_NAME INNODB_USE_TRIM +SESSION_VALUE NULL +GLOBAL_VALUE OFF +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE OFF +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BOOLEAN +VARIABLE_COMMENT Use trim. Default FALSE. +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST OFF,ON +READ_ONLY NO +COMMAND_LINE_ARGUMENT OPTIONAL +VARIABLE_NAME INNODB_VERSION +SESSION_VALUE NULL - GLOBAL_VALUE 5.6.40 ++GLOBAL_VALUE 5.6.41 +GLOBAL_VALUE_ORIGIN COMPILE-TIME +DEFAULT_VALUE NULL +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE VARCHAR +VARIABLE_COMMENT InnoDB version +NUMERIC_MIN_VALUE NULL +NUMERIC_MAX_VALUE NULL +NUMERIC_BLOCK_SIZE NULL +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT NULL +VARIABLE_NAME INNODB_WRITE_IO_THREADS +SESSION_VALUE NULL +GLOBAL_VALUE 2 +GLOBAL_VALUE_ORIGIN CONFIG +DEFAULT_VALUE 4 +VARIABLE_SCOPE GLOBAL +VARIABLE_TYPE BIGINT UNSIGNED +VARIABLE_COMMENT Number of background write I/O threads in InnoDB. +NUMERIC_MIN_VALUE 1 +NUMERIC_MAX_VALUE 64 +NUMERIC_BLOCK_SIZE 0 +ENUM_VALUE_LIST NULL +READ_ONLY YES +COMMAND_LINE_ARGUMENT REQUIRED diff --cc mysql-test/t/union.test index cbd19a73a80,240115837c7..e1e95347dc4 --- a/mysql-test/t/union.test +++ b/mysql-test/t/union.test @@@ -1455,106 -1421,19 +1455,121 @@@ DROP VIEW v1 UNION (SELECT 2, 2); + --echo # + --echo # Bug#27197235 USER VARIABLE + UINON + DECIMAL COLUMN RETURNS + --echo # WRONG VALUES + --echo # + + let $old_charset= `SELECT @@character_set_client`; + + SET NAMES utf8; + SET @advertAcctId = 1000003; + select @advertAcctId as a from dual union all select 1.0 from dual; + + eval SET NAMES $old_charset; + SET @advertAcctId = 1000003; + select @advertAcctId as a from dual union all select 1.0 from dual; + --echo End of 5.5 tests + +--echo # +--echo # WL#1763 Avoid creating temporary table in UNION ALL +--echo # + +EXPLAIN SELECT 1 UNION ALL SELECT 1 LIMIT 1 OFFSET 1; + +--echo # Bug #17579498 CHANGES IN DATATYPE OF THE RESULT QUERY IN UNION. + +CREATE TABLE t1 (a TIME); +CREATE TABLE t2 (b DATETIME); + +CREATE TABLE t3 +SELECT a FROM t1 UNION ALL SELECT b FROM t2; + +SELECT column_name, column_type +FROM information_schema.columns +WHERE TABLE_NAME='t3'; + +DROP TABLE t1, t2, t3; + +--echo # Bug #17602922 RESULT DIFFERENCES IN UNION QUERIES WITH IN +--echo # (SUBQUERY-UNION ALL) + +CREATE TABLE t1 (a VARCHAR(1)); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES (NULL); +INSERT INTO t1 VALUES ('j'); +INSERT INTO t1 VALUES ('k'); +INSERT INTO t1 VALUES ('r'); +INSERT INTO t1 VALUES ('r'); +INSERT INTO t1 VALUES ('h'); + +SELECT a FROM t1 WHERE a IN (SELECT 'r' FROM t1 UNION ALL SELECT 'j'); + +CREATE TABLE t2 +SELECT a FROM t1 WHERE a IN (SELECT 'r' FROM t1 UNION ALL SELECT 'j'); + +SELECT * FROM t2; + +DROP TABLE t1, t2; + +CREATE TABLE t1 (a INT PRIMARY KEY); +CREATE TABLE t2 (a INT PRIMARY KEY); +INSERT INTO t2 VALUES (1); + +SELECT a, SUM(a) FROM t2 UNION ALL SELECT a, MIN(a) FROM t1 ; + +SELECT FOUND_ROWS(); + +DROP TABLE t1, t2; + +--echo # Bug #17669551 CRASH/ASSERT AT SELECT_CREATE::PREPARE2 AT +--echo # SQL_INSERT.CC + +CREATE TABLE t1 (a INT); + +--error ER_DUP_FIELDNAME +CREATE TABLE t2 SELECT a, a FROM t1 UNION ALL SELECT a, a FROM t1; + +DROP TABLE t1; + +--echo # Bug #17694956 RESULT DIFFERENCES IN UNION ALL QUERIES WITH LIMIT + +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1); + +(SELECT a FROM t1 ORDER BY a LIMIT 0) UNION ALL SELECT a FROM t1; + +DROP TABLE t1; + +--echo # Bug #17708480 FOUND_ROWS() VALUE DO NOT MATCH WITH UNION ALL QUERIES + +CREATE TABLE t1 (a INT) ENGINE=MEMORY; +CREATE TABLE t2 (a INT) ENGINE=MEMORY; +INSERT INTO t2 VALUES (1); + +SELECT COUNT(*) FROM ( +SELECT * FROM t2 UNION ALL SELECT * FROM t1) q; +SELECT SQL_CALC_FOUND_ROWS * FROM t2 UNION ALL SELECT * FROM t1; +SELECT FOUND_ROWS(); + +SELECT COUNT(*) FROM ( +SELECT * FROM t1 UNION ALL SELECT * FROM t2) q; +SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION ALL SELECT * FROM t2; +SELECT FOUND_ROWS(); + +DROP TABLE t1, t2; + +--echo # End of WL1763 tests + +--echo # +--echo # Bug mdev-6874: crash with UNION ALL in a subquery +--echo # + +CREATE TABLE t1 (a int, b int); +INSERT INTO t1 VALUES (1,1), (2,8); + +SELECT * FROM t1 t1_1 LEFT JOIN t1 t1_2 ON ( t1_2.b = t1_1.a ) + WHERE t1_2.b NOT IN ( SELECT 4 UNION ALL SELECT 5 ); + +DROP TABLE t1;