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[Maria-discuss] MDEV-10286 - Adjustment of table_open_cache according to system limits does not work when open-files-limit option is provided
by Sergey Vojtovich 21 Mar '18

21 Mar '18

Hi Monty, > diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl > index 55543e529a6..54dc0aa17cc 100755 > --- a/mysql-test/mysql-test-run.pl > +++ b/mysql-test/mysql-test-run.pl > @@ -4469,6 +4469,7 @@ sub extract_warning_lines ($$) { > qr/InnoDB: See also */, > qr/InnoDB: Cannot open .*ib_buffer_pool.* for reading: No such file or directory*/, > qr/InnoDB: Table .*mysql.*innodb_table_stats.* not found./, > + qr/Changed limits: max_open_files/, I wonder how did you get this warning? > qr/InnoDB: User stopword table .* does not exist./ > > ); > diff --git a/sql/mysqld.cc b/sql/mysqld.cc > index b21d50a20fe..b3414279ac9 100644 > --- a/sql/mysqld.cc > +++ b/sql/mysqld.cc > @@ -4446,11 +4446,18 @@ static int init_common_variables() > > /* connections and databases needs lots of files */ > { > - uint files, wanted_files, max_open_files; > + uint files, wanted_files, max_open_files, min_tc_size, extra_files, > + min_connections; > + ulong org_max_connections= max_connections, org_tc_size= tc_size; > > + /* Number of files reserved for temporary files */ > + extra_files= 30; > + min_connections= 10; > /* MyISAM requires two file handles per table. */ > - wanted_files= (10 + max_connections + extra_max_connections + > + wanted_files= (extra_files + max_connections + extra_max_connections + > tc_size * 2); > + min_tc_size= MY_MIN(tc_size, TABLE_OPEN_CACHE_MIN); > + > /* > We are trying to allocate no less than max_connections*5 file > handles (i.e. we are trying to set the limit so that they will I believe the following is easier to read: ulong org_max_connections= max_connections; ulong org_tc_size= tc_size; ulong min_tc_size= MY_MIN(tc_size, TABLE_OPEN_CACHE_MIN); /* Number of files reserved for temporary files */ uint extra_files= 30; uint min_connections= 10; /* MyISAM requires two file handles per table. */ uint wanted_files= extra_files + max_connections + extra_max_connections + tc_size * 2; /* We are trying to allocate no less than max_connections*5 file handles (i.e. we are trying to set the limit so that they will be available). In addition, we allocate no less than how much was already allocated. However below we report a warning and recompute values only if we got less file handles than were explicitly requested. No warning and re-computation occur if we can't get max_connections*5 but still got no less than was requested (value of wanted_files). */ uint max_open_files= MY_MAX(MY_MAX(wanted_files, (max_connections + extra_max_connections)*5), open_files_limit); uint files= my_set_max_open_files(max_open_files); > @@ -4463,43 +4470,43 @@ static int init_common_variables() > */ > max_open_files= MY_MAX(MY_MAX(wanted_files, > (max_connections + extra_max_connections)*5), > - open_files_limit); > + open_files_limit); > files= my_set_max_open_files(max_open_files); > > - if (files < wanted_files) > - { > - if (!open_files_limit || IS_SYSVAR_AUTOSIZE(&open_files_limit)) > - { > - /* > - If we have requested too much file handles than we bring > - max_connections in supported bounds. > - */ > - SYSVAR_AUTOSIZE(max_connections, > - (ulong) MY_MIN(files-10-TABLE_OPEN_CACHE_MIN*2, max_connections)); > - /* > - Decrease tc_size according to max_connections, but > - not below TABLE_OPEN_CACHE_MIN. Outer MY_MIN() ensures that we > - never increase tc_size automatically (that could > - happen if max_connections is decreased above). > - */ > - SYSVAR_AUTOSIZE(tc_size, > - (ulong) MY_MIN(MY_MAX((files - 10 - max_connections) / 2, > - TABLE_OPEN_CACHE_MIN), tc_size)); > - DBUG_PRINT("warning", > - ("Changed limits: max_open_files: %u max_connections: %ld table_cache: %ld", > - files, max_connections, tc_size)); > - if (global_system_variables.log_warnings > 1) > - sql_print_warning("Changed limits: max_open_files: %u max_connections: %ld table_cache: %ld", > - files, max_connections, tc_size); > - } > - else if (global_system_variables.log_warnings) > - sql_print_warning("Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files); > - } > - SYSVAR_AUTOSIZE(open_files_limit, files); > + if (files < wanted_files && global_system_variables.log_warnings) > + sql_print_warning("Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files); > + > + /* > + If we have requested too much file handles than we bring > + max_connections in supported bounds. Still leave at least > + 'min_connections' connections > + */ > + SYSVAR_AUTOSIZE(max_connections, > + (ulong) MY_MAX(MY_MIN(files- extra_files- min_tc_size*2, > + max_connections), min_connections)); > + /* > + Decrease tc_size according to max_connections, but > + not below min_tc_size. Outer MY_MIN() ensures that we > + never increase tc_size automatically (that could > + happen if max_connections is decreased above). > + */ > + SYSVAR_AUTOSIZE(tc_size, > + (ulong) MY_MIN(MY_MAX((files - extra_files - > + max_connections) / 2, min_tc_size), > + tc_size)); > + DBUG_PRINT("warning", > + ("Current limits: max_open_files: %u max_connections: %ld table_cache: %ld", > + files, max_connections, tc_size)); > + if (global_system_variables.log_warnings > 1 && > + (max_connections < org_max_connections || > + tc_size < org_tc_size)) > + sql_print_warning("Changed limits: max_open_files: %u max_connections: %lu (%lu) table_cache: %lu (%lu)", I'd say this format is quite confusing. Probably add something like "was %lu" in brackets? > + files, max_connections, org_max_connections, > + tc_size, org_tc_size); I think the above code must be executed under "if (files < wanted_files)". We don't really want to "autosize" max_connections and tc_size if we got enough file descriptors. Also you missed to "autosize" open_files_limit. I think it should be done "if (open_files_limit != files) SYSVAR_AUTOSIZE(open_files_limit, files);". > } > > /* > - Max_connections is now set. > + Max_connections and tc_cache is now set. s/is/are/ > Now we can fix other variables depending on this variable. > */ > > diff --git a/sql/sql_const.h b/sql/sql_const.h > index 65742235bee..e28a0649f04 100644 > --- a/sql/sql_const.h > +++ b/sql/sql_const.h > @@ -127,7 +127,7 @@ > #define MAX_FIELDS_BEFORE_HASH 32 > #define USER_VARS_HASH_SIZE 16 > #define SEQUENCES_HASH_SIZE 16 > -#define TABLE_OPEN_CACHE_MIN 400 > +#define TABLE_OPEN_CACHE_MIN 200 > #define TABLE_OPEN_CACHE_DEFAULT 2000 > #define TABLE_DEF_CACHE_DEFAULT 400 > /** > diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc > index de9806ab289..41317a5c259 100644 > --- a/sql/sys_vars.cc > +++ b/sql/sys_vars.cc > @@ -3477,7 +3477,7 @@ static bool fix_table_open_cache(sys_var *, THD *, enum_var_type) > static Sys_var_ulong Sys_table_cache_size( > "table_open_cache", "The number of cached open tables", > GLOBAL_VAR(tc_size), CMD_LINE(REQUIRED_ARG), > - VALID_RANGE(1, 1024*1024), DEFAULT(TABLE_OPEN_CACHE_DEFAULT), > + VALID_RANGE(10, 1024*1024), DEFAULT(TABLE_OPEN_CACHE_DEFAULT), Why? There're at least a few test cases that do table_open_cache=1: partition_open_files_limit, sp, myisam. > BLOCK_SIZE(1), NO_MUTEX_GUARD, NOT_IN_BINLOG, ON_CHECK(0), > ON_UPDATE(fix_table_open_cache)); > Regards, Sergey

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[Maria-discuss] columns compression
by Roberto Spadim 19 Mar '18

19 Mar '18

hi guys! anyone testing column compression and have problems when changing form one table format to other? i created a new table with blob compressed column, and i'm trying to insert select from old table, but i got a problem: MariaDB [test]> insert into new_table select * from old_table; ERROR 1406 (22001): Data too long for column 'data' at row 1 using aria or innodb engine give the same error, it's a BLOB columns tahnks -- Roberto Spadim

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[Maria-discuss] SQL_MODE=ORACLE documentation
by Federico Razzoli 05 Mar '18

05 Mar '18

With SQL_MODE='ORACLE' a completely new syntax has been introduced. Basic syntax constructs of MariaDB become unavailable, but not all Oracle syntax seems to be supported. Is there any plan to document the supported syntax? Current documentation looks like an unfinished draft and doesn't save much time for the poor user. Regards,Federico

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[Maria-discuss] 10.3.5 tokudb rpm missing for Opensuse
by Reinis Rozitis 04 Mar '18

04 Mar '18

Hello, It seems that the Mariadb 10.3.5 Tokudb rpm package hasn't been built (and replicated on mirrors) for Opensuse (though all other like SLES, Rhel, Centos do have it). rr

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[Maria-discuss] Backing up a single database with mariabackup?
by Kevin Poitra 01 Mar '18

01 Mar '18

I've been working on redoing our database backup routines, and have looked into mariabackup as mysqldump doesn't cut it anymore given the size of our schemas. We have multiple schemas that need to be backed up - they all vary in size, and they also vary in backup frequency (some need to be backed up on a six hour period, others can go a day in between backups). On top of that, our database consists of two database servers, running in a master-slave configuration. To start, I ran this command against one of our schemas: mariabackup --backup --user root --password <pass> --databases db1 That generated a copy of the 'db1' schema's data files, along with some files used by MariaDB itself (aria_log, ib_buffer_pool, ib_logfile, ibdata, so on). This works perfectly - we can create separate backups of each of our schemas. Restoring seems to be another story however. After '--prepare'ing the backup and issuing the mariabackup --copy-back command, it complains that the data directory must be empty. If I have separated backups, would it be possible for me to restore those schemas under one database (or rather, one MariaDB instance)? To be even clearer, if I've made backups of schemas 'db1', 'db2', and 'db3', I don't seem to be able to restore them all under the same database instance - is there something I'm not understanding?

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[Maria-discuss] procedure to change database encryption with file_key_management plugin?
by obsa＠mm.st 27 Feb '18

27 Feb '18

I've built mysqld -V mysqld Ver 10.2.14-MariaDB-log for Linux on x86_64 (Source distribution) I'm setting up encryption, following https://mariadb.com/kb/en/library/encryption/ https://mariadb.com/kb/en/library/data-at-rest-encryption/ I created my key file openssl rand -hex 32 b650adbc0c5df1bc3e766b4b65f26dc76c76ed81b955bbedaf50e1d4e16fc732 /etc/mariadb/keys.txt 1;b650adbc0c5df1bc3e766b4b65f26dc76c76ed81b955bbedaf50e1d4e16fc732 encrypted it openssl enc -aes-256-cbc -k 'test_passphrase' -md sha1 -in /etc/mariadb/keys.txt -out /etc/mariadb/keys.enc verified it openssl aes-256-cbc -d -md sha1 -k 'test_passphrase' -in /etc/mariadb/keys.enc 1;b650adbc0c5df1bc3e766b4b65f26dc76c76ed81b955bbedaf50e1d4e16fc732 I've enabled "everything" encryption using that keyfile [mysqld] plugin_dir=/opt/mariadb/lib/plugin plugin-load-add=file_key_management file-key-management file_key_management_encryption_algorithm=aes_ctr file_key_management_filekey = 'test_filekey' file_key_management_filename = /etc/mariadb/enc/keys.enc aria-encrypt-tables = 1 encrypt-binlog = 1 encrypt-tmp-disk-tables = 1 encrypt-tmp-files = 1 innodb_default_encryption_key_id = 1 innodb-encrypt-log = off innodb-encrypt-tables = on innodb-encryption-threads = 4 innodb-tablespaces-encryption = 1 verified the plugin loads mysql -e "show plugins;" | grep ENC INNODB_TABLESPACES_ENCRYPTION ACTIVE INFORMATION SCHEMA NULL BSD file_key_management ACTIVE ENCRYPTION file_key_management.so GPL on startup it looks like it starts up ok 2018-02-21 13:01:29 139729003899072 [Note] InnoDB: 5.7.21 started; log sequence number 7206290786 2018-02-21 13:01:29 139729003899072 [Note] InnoDB: Creating #1 encryption thread id 139727810316032 total threads 4. 2018-02-21 13:01:29 139729003899072 [Note] InnoDB: Creating #2 encryption thread id 139727801923328 total threads 4. 2018-02-21 13:01:29 139727818708736 [Note] InnoDB: Loading buffer pool(s) from /home/data/db/ib_buffer_pool 2018-02-21 13:01:29 139729003899072 [Note] InnoDB: Creating #3 encryption thread id 139727793530624 total threads 4. 2018-02-21 13:01:29 139729003899072 [Note] InnoDB: Creating #4 encryption thread id 139727785137920 total threads 4. 2018-02-21 13:01:29 139727818708736 [Note] InnoDB: Buffer pool(s) load completed at 180222 13:01:29 2018-02-21 13:01:29 139729003899072 [Note] Using encryption key id 1 for temporary files 2018-02-21 13:01:29 139729003899072 [Note] Server socket created on IP: '127.0.0.1'. 2018-02-21 13:01:29 139729003899072 [Note] Reading of all Master_info entries succeded 2018-02-21 13:01:29 139729003899072 [Note] Added new Master_info '' to hash table 2018-02-21 13:01:29 139729003899072 [Note] /opt/mariadb/bin/mysqld: ready for connections. Version: '10.2.14-MariaDB-log' socket: '/var/cache/mariadb/mariadb.sock' port: 3306 Source distribution and verified table encryption mysql -e "SELECT * FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION;" +-------+-------------------------------------------+-------------------+--------------------+-----------------+---------------------+--------------------------+------------------------------+----------------+----------------------+ | SPACE | NAME | ENCRYPTION_SCHEME | KEYSERVER_REQUESTS | MIN_KEY_VERSION | CURRENT_KEY_VERSION | KEY_ROTATION_PAGE_NUMBER | KEY_ROTATION_MAX_PAGE_NUMBER | CURRENT_KEY_ID | ROTATING_OR_FLUSHING | +-------+-------------------------------------------+-------------------+--------------------+-----------------+---------------------+--------------------------+------------------------------+----------------+----------------------+ | 1375 | mysql/gtid_slave_pos | 1 | 1 | 1 | 1 | NULL | NULL | 1 | 0 | | 1465 | mysql/innodb_index_stats | 1 | 1 | 1 | 1 | NULL | NULL | 1 | 0 | | 1466 | mysql/innodb_table_stats | 1 | 1 | 1 | 1 | NULL | NULL | 1 | 0 | | 18999 | testdata/table0001 | 1 | 0 | 1 | 1 | NULL | NULL | 1 | 0 | ... ... ... | 0 | innodb_system | 1 | 1 | 1 | 1 | NULL | NULL | 1 | 0 | +-------+-------------------------------------------+-------------------+--------------------+-----------------+---------------------+--------------------------+------------------------------+----------------+----------------------+ reading Encryption key management MariaDB encryption supports multiple encryption keys, they are identified by a key identifier — a 32-bit integer. To support automatic key rotation every key additionally might have different versions. XtraDB and InnoDB can automatically re-encrypt the data from an older to a newer version of the same key. But how different keys are stored and rotated depends on the key management solution that you choose. but for this plugin file_key_management This plugin does not support key rotation — all keys always have the version 1. So I understand that I can't rotate the keys similar to what the AWS plugin provides. But if I need to change the key at any time, either just its encrypted form /etc/mariadb/keys.enc &/or the 'master' /etc/mariadb/keys.txt What's the procedure to re-key all the encrypted tables? Do I need to (1) stop the server (2) manually decrypt each table with its old key (3) reencrypt each table with the new key (4) restart the server ? True also for having used multiple keys for global/default, temp tables, and per-table? Is there any tool/procedure that automates that? I suppose that the AWS plugin takes care of that automated-rotation. Is there another non-commercial/open-source plugin with similar rotation capability?

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[Maria-discuss] JSON column type
by Brent Clark 22 Feb '18

22 Feb '18

Good day Guys I have a client that is looking for JSON support, or better 'JSON column type'. He is asking for MySQL/5.7.8 (Currently on MySQL 5.6). And his comment is : "/This is so that we can use the JSON column type introduced in this version." We don't use MySQL, well we shipping away to MariaDB. The question I would like to ask is. Based on reading : https://mariadb.com/resources/blog/best-both-worlds-relational-json Is it fair to say, the clients needs are met? If anyone has any comment or further thought on this matter or any tips to share it would gratefully be appreciated. Regards and many thanks. Brent Clark

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[Maria-discuss] mysqld_safe
by Ruben Safir 21 Feb '18

21 Feb '18

I did an update on my package manager and it seems that mysqld_safe was removed from the system, and I have that integrated into my openrc init system. Has it stopped being supported? ruben -- So many immigrant groups have swept through our town that Brooklyn, like Atlantis, reaches mythological proportions in the mind of the world - RI Safir 1998 http://www.mrbrklyn.com DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002 http://www.nylxs.com - Leadership Development in Free Software http://www2.mrbrklyn.com/resources - Unpublished Archive http://www.coinhangout.com - coins! http://www.brooklyn-living.com Being so tracked is for FARM ANIMALS and and extermination camps, but incompatible with living as a free human being. -RI Safir 2013

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[Maria-discuss] build broken again -> Fwd: [MariaDB Announce] MariaDB 10.2.13, MariaDB Connector/ODBC 3.0.3 and MariaDB Connector/ODBC 2.0.16 now available
by Reindl Harald 14 Feb '18

14 Feb '18

can we have a release which simply builds? see my complaint about 10.2.12 10.2.13 is also broken different place would you guys mind sent out a link to the users list *before* GA annoucements so that such likely easy to fix bugs can be fixed *before* the announcement? and no it's not a option build with partition support and disable it in my.cnf because the next build won't start because the unknown option and i danced these dance now often enough while MariaDB is the only project in the whole opensource-ecosystem where can place a bet that the next release won't build with the same options Scanning dependencies of target mysqld Scanning dependencies of target explain_filename-t [ 99%] Building CXX object sql/CMakeFiles/mysqld.dir/main.cc.o [100%] Building CXX object unittest/sql/CMakeFiles/explain_filename-t.dir/explain_filename-t.cc.o [100%] Linking CXX executable mysqld [100%] Linking CXX executable explain_filename-t libsql.a(sql_yacc.cc.o): In function `MYSQLparse(THD*)': /home/buildbot/git/sql/sql_yacc.yy:5211: undefined reference to `partition_info::error_if_requires_values() const' collect2: error: ld returned 1 exit status make[2]: *** [sql/CMakeFiles/mysqld.dir/build.make:115: sql/mysqld] Error 1 make[1]: *** [CMakeFiles/Makefile2:8465: sql/CMakeFiles/mysqld.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... ../../sql/libsql.a(sql_yacc.cc.o): In function `MYSQLparse(THD*)': /home/buildbot/git/sql/sql_yacc.yy:5211: undefined reference to `partition_info::error_if_requires_values() const' collect2: error: ld returned 1 exit status make[2]: *** [unittest/sql/CMakeFiles/explain_filename-t.dir/build.make:116: unittest/sql/explain_filename-t] Error 1 make[1]: *** [CMakeFiles/Makefile2:1336: unittest/sql/CMakeFiles/explain_filename-t.dir/all] Error 2 make: *** [Makefile:163: all] Error 2 Fehler: Fehler-Status beim Beenden von /var/tmp/rpm-tmp.Xg5GXO (%build) -------- Weitergeleitete Nachricht -------- Betreff: [Maria-discuss] Fwd: [MariaDB Announce] MariaDB 10.2.12 now available Datum: Thu, 4 Jan 2018 19:29:36 +0100 Von: Reindl Harald <h.reindl(a)thelounge.net> An: Mailing-List mariadb <maria-discuss(a)lists.launchpad.net> and once again a update don't build with the same rpm-spec as before - frankly how often should i offer that someone sends out a mail to the ML with a link to a proposed release tarball to get such things fixed *before* release? + cmake . -DFEATURE_SET=large -DCMAKE_INSTALL_PREFIX=/usr -DINSTALL_INCLUDEDIR=include/mysql -DINSTALL_LAYOUT=RPM -DDAEMON_NAME=mysqld -DDAEMON_NO_PREFIX=mysqld -DNICE_PROJECT_NAME=MariaDB -DINSTALL_LIBDIR=lib64/mysql -DINSTALL_MANDIR=share/man -DINSTALL_MYSQLSHAREDIR=share/mysql -DINSTALL_MYSQLTESTDIR=share/mysql-test -DINSTALL_PLUGINDIR=lib64/mysql/plugin -DINSTALL_SBINDIR=libexec -DINSTALL_SCRIPTDIR=bin -DINSTALL_SQLBENCHDIR= -DINSTALL_SUPPORTFILESDIR=share/mysql -DMYSQL_DATADIR=/var/lib/mysql -DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock -DENABLED_PROFILING=OFF -DENABLE_DEBUG_SYNC=OFF -DENABLE_DTRACE=OFF -DPLUGIN_ARIA=YES -DPLUGIN_CSV=YES -DPLUGIN_MYISAM=YES -DPLUGIN_ARCHIVE=NO -DPLUGIN_BLACKHOLE=NO -DPLUGIN_CASSANDRA=NO -DPLUGIN_CONNECT=NO -DPLUGIN_EXAMPLE=NO -DPLUGIN_FEDERATED=NO -DPLUGIN_FEDERATEDX=NO -DPLUGIN_FEEDBACK=NO -DPLUGIN_MROONGA=NO -DPLUGIN_MYISAMMRG=NO -DPLUGIN_OQGRAPH=NO -DPLUGIN_PARTITION=NO -DPLUGIN_PERFSCHEMA=NO -DPLUGIN_ROCKSDB=NO -DPLUGIN_SEMISYNC=NO -DPLUGIN_SEQUENCE=NO -DPLUGIN_SPHINX=NO -DPLUGIN_SPIDER=NO -DPLUGIN_TOKUDB=NO -DPLUGIN_XTRADB=NO -DWITHOUT_DYNAMIC_PLUGINS=ON -DWITH_ATOMIC_OPS=smp -DWITH_EMBEDDED_SERVER=OFF -DWITH_INNODB_DISALLOW_WRITES=OFF -DWITH_INNODB_BZIP2=OFF -DWITH_INNODB_LZ4=OFF -DWITH_INNODB_LZMA=OFF -DWITH_INNODB_LZO=OFF -DWITH_INNODB_SNAPPY=OFF -DWITH_MYSQLCOMPAT=ON -DSECURITY_HARDENED=OFF -DWITH_LIBARCHIVE=OFF -DWITH_LIBWRAP=OFF -DWITH_MARIABACKUP=OFF -DWITH_PIC=NO -DWITH_READLINE=OFF -DWITH_SAFEMALLOC=OFF -DWITH_VALGRIND=OFF -DWITH_WSREP=OFF -DWITH_JEMALLOC=OFF -DWITH_SSL=system -DWITH_ZLIB=system -DCOMPILATION_COMMENT=thelounge [ 99%] Built target sql Scanning dependencies of target explain_filename-t Scanning dependencies of target mysqld [ 99%] Building CXX object sql/CMakeFiles/mysqld.dir/main.cc.o [100%] Linking CXX executable mysqld [100%] Building CXX object unittest/sql/CMakeFiles/explain_filename-t.dir/explain_filename-t.cc.o [100%] Linking CXX executable explain_filename-t libsql.a(sql_yacc.cc.o): In function .`MYSQLparse.(/THD.*.)/'sql:/ libsql.a/(homesql_yacc.cc.o/)buildbot:/ Ingit /functionsql /`sql_yacc.yyMYSQLparse(:THD*5211):' :undefined /referencehome /tobuildbot /`gitpartition_info/sql:/:sql_yacc.yyerror_if_requires_values:5211(: )undefined referenceconst 'to `partition_info::error_if_requires_values() const' collect2: error: ld returned 1 exit status collect2: error: ld returned 1 exit status make[2]: *** [sql/CMakeFiles/mysqld.dir/build.make:115: sql/mysqld] Error 1 make[2]: *** [unittest/sql/CMakeFiles/explain_filename-t.dir/build.make:116: unittest/sql/explain_filename-t] Error 1 make[1]: *** [CMakeFiles/Makefile2:8464: sql/CMakeFiles/mysqld.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... make[1]: *** [CMakeFiles/Makefile2:1336: unittest/sql/CMakeFiles/explain_filename-t.dir/all] Error 2 -------- Weitergeleitete Nachricht -------- Betreff: [MariaDB Announce] MariaDB 10.2.13, MariaDB Connector/ODBC 3.0.3 and MariaDB Connector/ODBC 2.0.16 now available Datum: Tue, 13 Feb 2018 21:03:01 +0200 Von: MariaDB Announce List <announce(a)mariadb.org> An: announce(a)mariadb.org The MariaDB project is pleased to announce the availability of MariaDB 10.2.13, the latest stable release in the MariaDB 10.2 series, MariaDB Connector/ODBC 3.0.3, the latest stable release in the MariaDB Connector/ODBC 3.0 series, and MariaDB Connector/ODBC 2.0.16, the latest stable release in the MariaDB Connector/ODBC 2.0 series. See the Release Notes and Changelogs for details. - - Links - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - MariaDB 10.2.13 - Release Notes: https://mariadb.com/kb/en/mdb-10213-rn/ - Changelog: https://mariadb.com/kb/en/mdb-10213-cl/ - Downloads: https://downloads.mariadb.org/mariadb/10.2.13 About MariaDB 10.2: - https://mariadb.com/kb/en/what-is-mariadb-102/ APT and YUM Repository Configuration Generator: - https://downloads.mariadb.org/mariadb/repositories/ MariaDB Connector/ODBC 3.0.3 - Release Notes: https://mariadb.com/kb/en/mco-303-rn/ - Changelog: https://mariadb.com/kb/en/mco-303-cl/ - Downloads: https://downloads.mariadb.org/connector-odbc/3.0.3/ MariaDB Connector/C 2.0.16 - Release Notes: https://mariadb.com/kb/en/mco-2016-rn/ - Changelog: https://mariadb.com/kb/en/mco-2016-cl/ - Downloads: https://downloads.mariadb.org/connector-odbc/2.0.16/ About MariaDB Connector/C: - https://mariadb.com/kb/en/about-mariadb-connector-c/ - - MariaDB Books - - - - - - - - - - - - - - - - - - - - - - - - - - There is an ever-growing library of MariaDB books available to help you get the most out of MariaDB. See the MariaDB Books page for details and links: - https://mariadb.com/kb/en/mariadb/books/ - - User Feedback plugin - - - - - - - - - - - - - - - - - - - - - - - MariaDB includes a User Feedback plugin. This plugin is disabled by default. If enabled, it submits basic, completely anonymous MariaDB usage information. This information is used by the developers to track trends in MariaDB usage to better guide development efforts. If you would like to help make MariaDB better, please add "feedback=ON" to your my.cnf or my.ini file! See http://mariadb.com/kb/en/user-feedback-plugin for more information. - - Quality - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The project always strives for quality, but in reality, nothing is perfect. Please take time to report any issues you encounter at: - http://jira.mariadb.org - - Support MariaDB - - - - - - - - - - - - - - - - - - - - - - - - - If you would like to contribute to the MariaDB Foundation, please see the "contributing" and "donations" pages. We also have merchandise available in a cafepress store. All proceeds go to support the MariaDB Foundation. - https://mariadb.com/kb/en/contributing - https://mariadb.org/donate/ We hope you enjoy MariaDB! -- MariaDB Website - http://mariadb.org Twitter - http://twitter.com/mariadbfdn Knowledge Base - http://mariadb.com/kb

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Re: [Maria-discuss] mariadb-backup meta deb package
by Reindl Harald 14 Feb '18

14 Feb '18

Am 14.02.2018 um 12:56 schrieb Florent B: > On 14/02/2018 12:49, Sergei Golubchik wrote: >> Hi, Florent! >> >> On Feb 14, Florent B wrote: >>> Hi, >>> >>> Wouldn't be nice to have a metapackage mariadb-backup in Debian >>> repository, that depends on the current best version >>> (mariadb-backup-10.2, etc..) ? >>> >>> Like "mariadb-server" package in fact. >> Yes, I guess. >> It'll be consistent with what we do with the server. >> >> Of course, if you also have a solution how to reduce the number of >> packages, that'd be perfect :) >> >> Hmm, how about that? >> We rename the following packages to remove "-10.1" at the end. >> >> mariadb-connect-engine-10.1 >> mariadb-oqgraph-engine-10.1 >> mariadb-cracklib-password-check-10.1 >> mariadb-gssapi-server-10.1 >> mariadb-gssapi-client-10.1 >> mariadb-backup-10.1 >> >> This way the server package will specify the version (either >> "mariadb-server-10.1" for 10.1 or "mariadb-server" for the latest) >> and everything else will follow. >> >> Looks logical and doesn't increase the number of packages (!!!). >> But I need to try whether it'll actually work in Debian :) > > Wow ! Someone understood what I mean. Thank you a lot Sergei, I though I > was crazy seeing other people's answers well, i don't get why there needs to be a metapackage at all http://yum.mariadb.org/10.1/rhel6-x86/rpms/ http://yum.mariadb.org/10.2/rhel6-x86/rpms/ these are different repos and you have either 10.1 or 10.2 enabled whatever packages in whatever versions are there, the update manager without mention a version explicit takes the one with the highest number independent of a new install or update %package server Summary: The MariaDB server and related files Requires: %{name} = %{epoch}:%{version}-%{release}, %{name}-libs = %{epoch}:%{version}-%{release} Requires: sh-utils Requires(pre): shadow-utils Provides: mysql-server = %{epoch}:%{version}-%{release}, mysql-server%{?_isa} = %{epoch}:%{version}-%{release} Obsoletes: mysql-server, community-mysql-server %description server "dnf install mysql-server" == "dnf install mariadb-server" == "dnf install community-mysql-server" why? because the Provides/Obsoletes in my spec say so

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Re: [Maria-discuss] mariadb-backup meta deb package
by Reindl Harald 14 Feb '18

14 Feb '18

Am 14.02.2018 um 10:51 schrieb Florent B: > Wouldn't be nice to have a metapackage mariadb-backup in Debian > repository, that depends on the current best version > (mariadb-backup-10.2, etc..) ? > > Like "mariadb-server" package in fact you missed to describe the problem you want to solve by step in with a solution which is always the wrong start because in case you didn't understand the real problem any solution is wrong

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Re: [Maria-discuss] mariadb-backup meta deb package
by Sergei Golubchik 14 Feb '18

14 Feb '18

Hi, Florent! On Feb 14, Florent B wrote: > Hi, > > Wouldn't be nice to have a metapackage mariadb-backup in Debian > repository, that depends on the current best version > (mariadb-backup-10.2, etc..) ? > > Like "mariadb-server" package in fact. Yes, I guess. It'll be consistent with what we do with the server. Of course, if you also have a solution how to reduce the number of packages, that'd be perfect :) Hmm, how about that? We rename the following packages to remove "-10.1" at the end. mariadb-connect-engine-10.1 mariadb-oqgraph-engine-10.1 mariadb-cracklib-password-check-10.1 mariadb-gssapi-server-10.1 mariadb-gssapi-client-10.1 mariadb-backup-10.1 This way the server package will specify the version (either "mariadb-server-10.1" for 10.1 or "mariadb-server" for the latest) and everything else will follow. Looks logical and doesn't increase the number of packages (!!!). But I need to try whether it'll actually work in Debian :) Regards, Sergei Chief Architect MariaDB and security(a)mariadb.org

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Re: [Maria-discuss] mariadb-backup meta deb package
by Reindl Harald 14 Feb '18

14 Feb '18

Am 14.02.2018 um 12:22 schrieb Florent B: > I'm sorry but that's what not I mean. > > My message was just a suggestion, to have a "meta-package" for Debian > repository, like we have a meta-package "mariadb-server" that points to > "mariadb-server-10.2" (for example, if you installed 10.2 repository). > > In my deployment script, I just install "mariadb-server", without > specifying version. I would like to do the same for "mariadb-backup". > For now, I have to specify version of package : mariadb-backup-10.2. It > could be nice to have a "mariadb-backup" meta-package to point > automatically to the latest version available. stop talking about metapackages DAMNED! you mean "mariadb-backup" in it's last recent point-version should be in the 10.2 or 10.1 repository - why don't you say it then? don't get me wrong but it's hard when people fail to say what they mean and every response is a new riddle > On 14/02/2018 12:08, Vladislav Vaintroub wrote: >> >> The latest backup will not work with your 10.1 server. Mariabackup >> version should match server version that you have on the same box. >> >> mariabackup from 10.1 appears to work with 5.5 and 10.0, but this is >> merely by luck and by accident. >> >> *From: *Florent B <mailto:florent@coppint.com> >> *Sent: *Wednesday, February 14, 2018 11:58 AM >> *To: *maria-discuss(a)lists.launchpad.net >> <mailto:maria-discuss@lists.launchpad.net> >> *Subject: *Re: [Maria-discuss] mariadb-backup meta deb package >> >> On 14/02/2018 11:16, Reindl Harald wrote: >> >> > Am 14.02.2018 um 10:51 schrieb Florent B: >> >> >> Wouldn't be nice to have a metapackage mariadb-backup in Debian >> >> >> repository, that depends on the current best version >> >> >> (mariadb-backup-10.2, etc..) ? >> >> >> Like "mariadb-server" package in fact >> >> > you missed to describe the problem you want to solve by step in with a >> >> > solution which is always the wrong start because in case you didn't >> >> > understand the real problem any solution is wrong >> >> I just want to install the latest mariadb-backup package, without >> >> checking version by myself (10.1, 10.2...). >> >> Exactly the same as the "mariadb-server" metapackage for Debian, which >> >> points to latest version possible.

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Re: [Maria-discuss] mariadb-backup meta deb package
by Federico Razzoli 14 Feb '18

14 Feb '18

I am not sure this is a good idea. Having a meta-package for the server and not one for mariabackup may seem inconsistent, but users are different. A lot of people just want MariaDB and don't (need to) care about versions. Maybe they barely know SQL and just want to run a simple script. For backups, it's different. If you need mariabackup you manage a MariaDB instance, and you need to care about versions. Federico Da: Florent B <florent(a)coppint.com> A: Vladislav Vaintroub <vvaintroub(a)gmail.com>; "maria-discuss(a)lists.launchpad.net" <maria-discuss(a)lists.launchpad.net> Inviato: Mercoledì 14 Febbraio 2018 12:23 Oggetto: Re: [Maria-discuss] mariadb-backup meta deb package I'm sorry but that's what not I mean. My message was just a suggestion, to have a "meta-package" for Debian repository, like we have a meta-package "mariadb-server" that points to "mariadb-server-10.2" (for example, if you installed 10.2 repository). In my deployment script, I just install "mariadb-server", without specifying version. I would like to do the same for "mariadb-backup". For now, I have to specify version of package : mariadb-backup-10.2. It could be nice to have a "mariadb-backup" meta-package to point automatically to the latest version available. On 14/02/2018 12:08, Vladislav Vaintroub wrote: #yiv8725764717 #yiv8725764717 -- _filtered #yiv8725764717 {panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv8725764717 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv8725764717 #yiv8725764717 p.yiv8725764717MsoNormal, #yiv8725764717 li.yiv8725764717MsoNormal, #yiv8725764717 div.yiv8725764717MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:11.0pt;}#yiv8725764717 a:link, #yiv8725764717 span.yiv8725764717MsoHyperlink {color:blue;text-decoration:underline;}#yiv8725764717 a:visited, #yiv8725764717 span.yiv8725764717MsoHyperlinkFollowed {color:#954F72;text-decoration:underline;}#yiv8725764717 .yiv8725764717MsoChpDefault {} _filtered #yiv8725764717 {margin:70.85pt 70.85pt 56.7pt 70.85pt;}#yiv8725764717 div.yiv8725764717WordSection1 {}#yiv8725764717 The latest backup will not work with your 10.1 server. Mariabackup version should match server version that you have on the same box. mariabackup from 10.1 appears to work with 5.5 and 10.0, but this is merely by luck and by accident. From: Florent B Sent: Wednesday, February 14, 2018 11:58 AM To: maria-discuss(a)lists.launchpad.net Subject: Re: [Maria-discuss] mariadb-backup meta deb package On 14/02/2018 11:16, Reindl Harald wrote: > > > Am 14.02.2018 um 10:51 schrieb Florent B: >> Wouldn't be nice to have a metapackage mariadb-backup in Debian >> repository, that depends on the current best version >> (mariadb-backup-10.2, etc..) ? >> >> Like "mariadb-server" package in fact > > you missed to describe the problem you want to solve by step in with a > solution which is always the wrong start because in case you didn't > understand the real problem any solution is wrong I just want to install the latest mariadb-backup package, without checking version by myself (10.1, 10.2...). Exactly the same as the "mariadb-server" metapackage for Debian, which points to latest version possible. _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss(a)lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss(a)lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp

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Re: [Maria-discuss] mariadb-backup meta deb package
by Reindl Harald 14 Feb '18

14 Feb '18

Am 14.02.2018 um 11:58 schrieb Florent B: > On 14/02/2018 11:16, Reindl Harald wrote: >> >> Am 14.02.2018 um 10:51 schrieb Florent B: >>> Wouldn't be nice to have a metapackage mariadb-backup in Debian >>> repository, that depends on the current best version >>> (mariadb-backup-10.2, etc..) ? >>> >>> Like "mariadb-server" package in fact >> >> you missed to describe the problem you want to solve by step in with a >> solution which is always the wrong start because in case you didn't >> understand the real problem any solution is wrong > > I just want to install the latest mariadb-backup package, without > checking version by myself (10.1, 10.2...). > Exactly the same as the "mariadb-server" metapackage for Debian, which > points to latest version possible besides that "mariadb-server" for sure is not a metapackage i doubt and hope for debian users that you don't get *major upgrade* and 10.1 to 10.2 *is* a major upgrade nobody upgrades just by the way you heavily confuse point updates and major upgrades 10.1 versus 10.2 is practically the same as 10 versus 11 just with different numbers but must not be confused with 10.1.10 to 10.1.11 and when you are at it learn what a meta-package is because in communication it's important to know what you are talking about https://askubuntu.com/questions/66257/what-is-the-difference-between-a-meta…

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Re: [Maria-discuss] mariadb-backup meta deb package
by Vladislav Vaintroub 14 Feb '18

14 Feb '18

The latest backup will not work with your 10.1 server. Mariabackup version should match server version that you have on the same box. mariabackup from 10.1 appears to work with 5.5 and 10.0, but this is merely by luck and by accident. From: Florent B Sent: Wednesday, February 14, 2018 11:58 AM To: maria-discuss(a)lists.launchpad.net Subject: Re: [Maria-discuss] mariadb-backup meta deb package On 14/02/2018 11:16, Reindl Harald wrote: > > > Am 14.02.2018 um 10:51 schrieb Florent B: >> Wouldn't be nice to have a metapackage mariadb-backup in Debian >> repository, that depends on the current best version >> (mariadb-backup-10.2, etc..) ? >> >> Like "mariadb-server" package in fact > > you missed to describe the problem you want to solve by step in with a > solution which is always the wrong start because in case you didn't > understand the real problem any solution is wrong I just want to install the latest mariadb-backup package, without checking version by myself (10.1, 10.2...). Exactly the same as the "mariadb-server" metapackage for Debian, which points to latest version possible. _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss(a)lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp

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[Maria-discuss] [GSoC Idea Discussion] "mcsapi needs a new read API" project
by Udit Juneja 14 Feb '18

14 Feb '18

Hi, I am Udit Juneja, a Compter Science undergraduate student at Thapar Institute of Engineering and Technology, India. I am interested in contributing to MariaDB. A brief introduction about me: I am familiar with programming languages (C, C++, Python, PyCUDA, MySQL). I have won many hackathons. I am interested in "mcsapi needs a new read API" project. I have already started exploring MariaDB, and the APIs which are currently published on the website. I would like to discuss the idea further and maybe submit a proposal in GSoC later. Regards, Udit Juneja

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[Maria-discuss] Google Summer of Code 2018 - MariaDB Foundation accepted
by Colin Charles 14 Feb '18

14 Feb '18

Hi, I just noticed this piece of good news — MariaDB Foundation is accepted to participate in the Google Summer of Code 2018 again — https://summerofcode.withgoogle.com/ There is an already healthy list of ideas: https://mariadb.com/kb/en/library/google-summer-of-code-2018/ Many already have mentors from MariaDB Corporation or MariaDB Foundation. Some are looking for mentors. Happy coding this summer! cheers, -colin -- Colin Charles, http://bytebot.net/blog/ twitter: @bytebot | skype: colincharles "First they ignore you, then they laugh at you, then they fight you, then you win." -- Mohandas Gandhi

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Re: [Maria-discuss] System versioned tables inquiry
by serg＠mariadb.org 12 Feb '18

12 Feb '18

Hi, Benjamin! First: please send questions like this to maria-discuss(a)lists.launchpad.net it's a public mailing list dedicated to MariaDB. I am subscribed, so I'll see you mail there, and you may be sure I will, because it won't be accidentally catched by my spam filter, or sorted out in some obscure folder. Furthermore other subscribers will see your question and could reply if I will be not available (e.g. I could be travelling). Thank you. On Feb 05, bartels.benjamin(a)tutanota.de wrote: > Hello Mr. Golubchik, > I have a couple of questions on MariaDB's implementation of the system > versioned tables if you are not busy. > 1. Is there any mechanism in the current implementation to insert rows > with custom values for ROW START and ROW END? I know that since they > are automatically implemented as auto generated columns that they are > not allowed to be modified. But I feel like this would make backup > migration very hard, since you cannot insert into these generated > columns. Maybe I am missing something but from what I can tell it is > not possible at the moment.MSSQL from my understanding doesn't > restrict the ROW START and ROW END columns to generated columns so it > is possible to insert some data into those columns and then alter the > table to make it system versioned.See (Listing > 1): http://www.itprotoday.com/microsoft-sql-server/first-look-system-versioned-… No, there is none. It is intentional, to protect the integrity of the history. SQL Standard, as far as I know, does not provide any way of falsifying the history of system versioned tables. There is another feature in the standard: application-time period tables, in there one can provide arbitrary values for start and end timestamps. But MariaDB 10.3 doesn't support application-time period tables. As for backups, yes, I agree, it's a problem. Binary backups will preserve the history just fine, but mysqldump backups will not, they'll reset the history. > 2. What is supposed to be done in 2038 when NOW() will surpass the ROW > END column? Will there be a way to have a bigger underlying datatype > to represent the historic columns? That's the common issue for any TIMESTAMP columns. We don't have any solution specific to system versioned tables. I could *guess* that closer to that date TIMESTAMP width will be increased and, perhaps, there will be some migration procedure in mysql_uprade. There are no specific plans yet. Regards, Sergei Chief Architect MariaDB and security(a)mariadb.org

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[Maria-discuss] [MARIADB 5.5] Profiling truncated
by Fabien CLERC 12 Feb '18

12 Feb '18

Hello, I'm trying to profile a very long query in production (MariaDB 5.5) using "set session profiling = 1" but when I run the command "show profile for query 1", there is only the only 100 last steps of the query. It's the same checking in "INFORMATION_SCHEMA.PROFILING" I understand the parameter "profiling_history_size" is the maximum number of queries and not the maximum steps stored fora query. => How can I change the number of steps available in the result of the profiling ? Thanks and Regards *Fabien CLERC* <https://www.facebook.com/Yieloo-184624595039051/?fref=ts> <https://twitter.com/intraknow> <https://plus.google.com/+Intraknow?hl=fr> fabien.clerc(a)yieloo.com ____________________________________________________________ *Editeur de la solution intra'know* Espace performance 3 - Bâtiment Z - 35769 Saint-Grégoire www.intraknow.com <https://www.intra-know.com/yieloo/admin/cciaux/modif/www.intraknow.com> 02 99 55 15 03

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[Maria-discuss] Clarification about have_ssl and have_openssl variables
by Peter Laursen 11 Feb '18

11 Feb '18

MySQL documentation states https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar… simply states "This variable is an alias for have_ssl.". I checked with a few Oracle/MySQL installations that the two variables have identical values. But this is not the case on MariaDB (I checked my local Windows installs of 10.1 and 10.2). have_openssl is NO - have_ssl is YES|DISABLED. We believe that this is the reason for a newly reported problem to us: SSL-connections is not possibe to MariaDB on Amazon RDS. We verified the problem with a fresh RDS instance with MariaDB 10.2 and running with SSL enabled. The 3 different 'mysql' CLI's give results: *MariaDB 10.2.6 version:* - without ssl, gives 'Access denied error' - with ssl, it gives Error No. 2026: SSl Connection error: Certificate signature check failed *using MySQL 5.7.x version:* it connects to the server irrespective of the ssl parameter passed or not (but we don't know if SSL is actually used. It may silently connect without SSL if SSL is not possible) *MariaDB 10.1.22 version:* without ssl: it gives 'Access denied error' with ssl (Works as expected) Any thoughts on this? What can we do? We are affected as we use MariaDB Connector/C 2.33 currently -- Peter -- Webyog

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[Maria-discuss] MariaDB server 10.1.31 a little question ?
by Ljr Yang 08 Feb '18

08 Feb '18

Hi, There two little qustion in MariaDB 10.1.31, please confirm, thanks. 1) After install MariaDB 10.1.31 , in error log show xtradb version 5.6.36-83.0 ? it should 5.6.38-83.0 2018-02-07 19:07:47 140196300970016 [Note] InnoDB: Percona XtraDB ( http://www.percona.com) 5.6.36-83.0 started; log seque nce number 6162730 2) in the web page , show " Download MariaDB Server 10.2.10" , it should "10.0.34 Galera cluster", https://mariadb.com/resources/blog/mariadb-server-10131-and-mariadb-galera-…

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[Maria-discuss] MariaDB threads optimalization
by Brano Gege 07 Feb '18

07 Feb '18

Hi All, I got problem with mariadb performance, NEW (pcie) server: Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz, 1TB NVMe disks, 128 GB RAM, installed Debian 4.9.65-3+deb9u1, Ver 15.1 Distrib 10.1.26-MariaDB OLD server: Intel(R) Xeon(R) CPU E5-1630 v3 @ 3.70GHz, SSD disk, 64 GB RAM, FreeBSD 11.0-STABLE, 10.1.21-MariaDB On servers is running just mysql, I copy my.ini file, config files are same. mysql slap results for example employees db: #less /root/slap/select_query.sql SELECT emp_no, first_name, last_name, gender FROM employees LIMIT 10; SELECT emp_no, first_name, last_name, gender FROM employees ORDER BY last_name ASC LIMIT 10; SELECT COUNT(emp_no) FROM employees WHERE last_name = 'Aamodt'; SELECT last_name, COUNT(emp_no) AS num_emp FROM employees GROUP BY last_name ORDER BY num_emp DESC LIMIT 10; SELECT employees.* FROM employees LEFT JOIN dept_emp ON ( dept_emp.emp_no = employees.emp_no ) LEFT JOIN salaries ON ( salaries.emp_no = salaries.emp_no ) WHERE employees.first_name LIKE '%Jo%' AND salaries.from_date > '1993-01-21' AND salaries.to_date < '1998-01-01' LIMIT 0, 100; root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=1 Average number of seconds to run all queries: 0.459 seconds DB1: Average number of seconds to run all queries: 0.627 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=2 Benchmark Average number of seconds to run all queries: 0.473 seconds DB1: Average number of seconds to run all queries: 0.626 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=4 Average number of seconds to run all queries: 0.486 seconds DB1: Average number of seconds to run all queries: 0.656 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=8 Average number of seconds to run all queries: 0.569 seconds DB1: Average number of seconds to run all queries: 1.136 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=16 Benchmark Average number of seconds to run all queries: 0.948 seconds DB1: Average number of seconds to run all queries: 1.750 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=32 Average number of seconds to run all queries: 1.650 seconds DB1: Average number of seconds to run all queries: 2.455 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=64 Average number of seconds to run all queries: 3.306 seconds DB1: Average number of seconds to run all queries: 3.176 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=128 Average number of seconds to run all queries: 6.744 seconds DB1: Average number of seconds to run all queries: 5.737 seconds root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=256 Average number of seconds to run all queries: 13.474 seconds (verified 2nd run: 12.883 seconds) DB1: Average number of seconds to run all queries: 3.451 seconds (verified 2nd run: 4.935 seconds) root@pcie:~/slap# mysqlslap --pre-query="RESET QUERY CACHE;" --create-schema=employees --query="/root/slap/select_query.sql" --iterations=10 --concurrency=512 Average number of seconds to run all queries: 26.085 seconds (verified 2nd run: 26.307 seconds) DB1: Average number of seconds to run all queries: 15.862 seconds (verified 2nd run: 11.280 seconds) as you can see with raising threads PCIE performance is lowering rapidly. Any idea what to check? Thank you. I post this question couple of days with more information also here: https://serverfault.com/questions/895506/mariadb-threads-optimalization

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[Maria-discuss] Triangular FKs - Cascade delete leaves DB in state with broken referential integrity
by Oliver Schonrock 05 Feb '18

05 Feb '18

I have come across a very strange symptom with triangular FKs (see below) where a cascade delete of the central (member) record leaves the DB in a state with broken referential integrity. The FK structure is a little bit demanding and somewhat "triangular/circular", but has been in operation in our application for many years without problems. After recent upgrade from 10.1 to 10.2.12, we promptly got broken FKs. (I have not yet retested with 10.1). How to reproduce: (example reduced to the bare essentials with 3 tables with 1 record each). SET FOREIGN_KEY_CHECKS=0; CREATE TABLE member ( id int(11) NOT NULL AUTO_INCREMENT, default_address_id int(11) DEFAULT NULL, default_card_id int(11) DEFAULT NULL, PRIMARY KEY (id), KEY member_FI_2 (default_address_id), KEY member_FI_3 (default_card_id), CONSTRAINT member_FK_2 FOREIGN KEY (default_address_id) REFERENCES address (id) ON DELETE SET NULL ON UPDATE CASCADE, CONSTRAINT member_FK_3 FOREIGN KEY (default_card_id) REFERENCES payment_method (id) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB; INSERT INTO member VALUES (1,2,3); CREATE TABLE address ( id int(11) NOT NULL AUTO_INCREMENT, member_id int(11) NOT NULL, PRIMARY KEY (id), KEY address_FI_1 (member_id), CONSTRAINT address_FK_1 FOREIGN KEY (member_id) REFERENCES member (id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB; INSERT INTO address VALUES (2,1); CREATE TABLE payment_method ( id int(11) NOT NULL AUTO_INCREMENT, member_id int(11) NOT NULL, cardholder_address_id int(11) DEFAULT NULL, PRIMARY KEY (id), KEY payment_method_FI_1 (member_id), KEY payment_method_FI_2 (cardholder_address_id), CONSTRAINT payment_method_FK_1 FOREIGN KEY (member_id) REFERENCES member (id) ON DELETE CASCADE ON UPDATE CASCADE, CONSTRAINT payment_method_FK_2 FOREIGN KEY (cardholder_address_id) REFERENCES address (id) ON DELETE SET NULL ON UPDATE CASCADE ) ENGINE=InnoDB; INSERT INTO payment_method VALUES (3,1,2); SET FOREIGN_KEY_CHECKS=1; SELECT * FROM member; +----+--------------------+-----------------+ | id | default_address_id | default_card_id | +----+--------------------+-----------------+ | 1 | 2 | 3 | +----+--------------------+-----------------+ SELECT * FROM address; +----+-----------+ | id | member_id | +----+-----------+ | 2 | 1 | +----+-----------+ SELECT * FROM payment_method; +----+-----------+-----------------------+ | id | member_id | cardholder_address_id | +----+-----------+-----------------------+ | 3 | 1 | 2 | +----+-----------+-----------------------+ DELETE FROM member WHERE id = 1; SELECT * FROM member; [ empty ] SELECT * FROM address; [ empty ] SELECT * FROM payment_method; +----+-----------+-----------------------+ | id | member_id | cardholder_address_id | +----+-----------+-----------------------+ | 3 | 1 | NULL | +----+-----------+-----------------------+ ------------ DB is now in an inconsistent state: payment_method.member_id=1 references a non-existent member record. Am I missing something, or should this never happen? Thanks -- Oliver Schönrock

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[Maria-discuss] Aurora 'rds.amazonaws.com' string detection
by Evan Burke 31 Jan '18

31 Jan '18

Hi, I recently resolved an issue with an application using the MariaDB JDBC driver being unable to connect to an Amazon Aurora MySQL-compatible database (single instance, not cluster). This turned out to be caused by using 'dblink.[examplehostname].com' for my Aurora connection string, rather than the ...rds.amazonaws.com string checked for in UrlParser.java - https://github.com/MariaDB/mariadb-connector-j/blob/386819936ffad08d0ac2134… I see the code comment indicating that there are problems with detecting Aurora via other methods, as well as compatibility issues preventing the ability to connect to Aurora without a special case, so to some extent I can understand the decision to use hostname or haMode detection. But I wanted to point out that this approach comes with downsides - particularly when it is not documented anywhere that I can see. We had to review the code itself on Github in order to identify the solution, and that's a problem. While I don't expect my experience to be the same as most users, I can't be the only one using an alternate hostname or an IP address to connect, or the only one making the reasonable assumption that the driver is hostname-agnostic. The other consideration - which I am admittedly making somewhat naively - is that the MySQL JDBC driver is able to connect to this Aurora instance without any problems, regardless of hostname. From the perspective of an end user who doesn't care too much about implementation details, I'm probably going to prefer the option that doesn't exhibit unexpected behavior. In any case - despite the frustrating experience I had - I am grateful to everyone who's contributed to the MariaDB project, and I hope my feedback is helpful. -Evan

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[Maria-discuss] Fwd: mysql_insert_id() for INSERT...SELECT statement
by Yuki . 30 Jan '18

30 Jan '18

Hi, I made a post at https://stackoverflow.com/questions/48306962/mysql- insert-id-for-insert-select-statement, but have not received any helpful answer, may be you could help me. I am using MaridDB but I read MySQL documentation because it has much more elaborated documentation than the same page for MariaDB. I am doing similar INSERT...SELECT query to this INSERT INTO table (value1, value2) SELECT 'stuff for value1', 'stuff for value2' FROM DUAL WHERE NOT EXISTS (SELECT * FROM table WHERE value1='stuff for value1' AND value2='stuff for value2') LIMIT 1 , where table has auto-genrated id. And I would like to know if it was inserted or not, of course. I assume the way to do that is to use `mysql_insert_id()`. It returns 0 if no insertions happen and 1 if insertions happen. Looking more details [here]( https://dev.mysql.com/doc/refman/5.7/en/mysql-insert-id.html) > If an INSERT ... SELECT statement is executed, and **NO** automatically > generated value is successfully inserted, mysql_insert_id() **RETURNS** > the ID of the last inserted row. What does it return if no auto-generated ID was successfully inserted? Is this a doc typo? So far I did testing in C and `mysql_insert_id()` returns always 0 if insertion did not happen even if the last insertion succeeded and `mysql_insert_id()` returned non-zero result. A paragraphs in the same manual, mentioned above, confirms this behavior by saying: > mysql_insert_id() returns 0 if the previous statement does not use an AUTO_INCREMENT value. .... > > The value of mysql_insert_id() is affected only by statements issued within the current client connection. It is not affected by statements issued by other clients. > > The LAST_INSERT_ID() SQL function will contain the value of the first automatically generated value that was successfully inserted. LAST_INSERT_ID() is not reset between statements because the value of that function is maintained in the server. .... And that feels kind of logical otherwise `INSERT...SELECT` would be useless in many cases, if you cannot know within the code if your insertion worked or not. But it totally contradicts to the statement above. Did anyone have experience with this? >From MariaDB manual, also suggests that the value should be zero in case of insertion did not happen: > The mysql_insert_id() function returns the ID generated by a query on > a table with a column having the AUTO_INCREMENT attribute or the value > for the last usage of LAST_INSERT_ID(expr). If the last query wasn't > an INSERT or UPDATE statement or if the modified table does not have a > column with the AUTO_INCREMENT attribute and LAST_INSERT_ID was not > used, this function will return zero. Does `mysql_insert_id()` of MariaDB returns 0 for `INSERT...SELECT` if an insertion did not happen, or it might return some other non-zero value? Do you think it is a typo at MySQL documentation? Best, Yuki

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[Maria-discuss] Replication set up to ignore Delete statements
by Furlong, John 25 Jan '18

25 Jan '18

I am new to MariaDB and am wondering if it's possible to set up replication to only replicate INSERTS & UPDATES? Can Deletes be ignored? The purpose is to keep the primary DB small and the secondary DB would be a data warehouse. Does --binlog-format=STATEMENT mean all writes? I've been reading the documention but haven't been able to find a definitive answer. If Delete statements are executed by a different user is it possible to ignore them that way such as through the CURRENT_USER()<https://mariadb.com/kb/en/current_user/> function? Thanks. John

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[Maria-discuss] ALTER TABLE ENIGNE=InnoDB performance
by Conor Murphy 25 Jan '18

25 Jan '18

Hi, We're looking at changing an existing database from MyISAM to InnoDB. The existing system is using MariaDB 5.5.56 on RHEL 7.4 The plan is to - create a replication slave on the same host - use ALTER TABLE .. ENGINE=InnoDB on the slave, with 4 ALTERs running concurrently - replace the master with the "coverted" slave Doing this with a small database (~ 3.5GB) works okay with the largest table taking ~ 7 minutes to convert. However, while trying to figure out how to replicate from the new master, we found that we need "FLUSH TABLES .. FOR EXPORT" which isn't available in MariaDB 5.5. So we updated to MariaDB 10.2.12 and started again. Now when we run the "ALTER TABLE .. ENIGNE=InnoDB", it takes hours from the ALTERs to complete and we're getting the following log entries 2018-01-09 12:36:03 140132036818688 [ERROR] InnoDB: Cannot save table statistics for table `statsdb`.`#sql-6d1a_12#P#P20160101` /* Partition `P20160101` */: Lock wait timeout 2018-01-09 12:36:54 140132036515584 [ERROR] InnoDB: Cannot save table statistics for table `statsdb`.`#sql-6d1a_13#P#P20160101` /* Partition `P20160101` */: Lock wait timeout 2018-01-09 12:37:45 140132036818688 [ERROR] InnoDB: Cannot save table statistics for table `statsdb`.`#sql-6d1a_12#P#P20160601` /* Partition `P20160601` */: Lock wait timeout 2018-01-09 12:38:36 140132036818688 [ERROR] InnoDB: Cannot save table statistics for table `statsdb`.`#sql-6d1a_12#P#P20160701` /* Partition `P20160701` */: Lock wait timeout 2018-01-09 12:39:27 140132037728000 [ERROR] InnoDB: Cannot save table statistics for table `statsdb`.`#sql-6d1a_11#P#P20160701` /* Partition `P20160701` */: Lock wait timeout ... Any ideas on what's wrong here? Thanks, Conor

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[Maria-discuss] MariaDB 10.3.4 consumes extremely much CPU on Windows.
by Peter Laursen 21 Jan '18

21 Jan '18

On a 4-core (4 physical, 8 logical cores), 3.5 Ghz box, MariaDB 10.3.4 consumes typically 35-40% of available CPU even when completely idle according to Task Manager. Please see image. I cannot tell if previous 10.3 versions also did, as I don't have 10.3 running constantly in the backgorund. I just observed this now. This does not happen with MariaDB 10.1, MariaDB 10.2, MySQL 5.6, MySQL 5.7 and MySQL 8.0 (all those I have starting with Windows on this box), where the CPU-load is neglible unless the server is "doing real work". As a result, the CPU clock frequency is always highest possible 3.5 Ghz (this CPU model is a 4th generation Intel with the option to scale down CPU frequency to around 40-50% of max. when there is no need for more) when MariaDB 10.3.4 is running. -- Peter -- Webyog

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[Maria-discuss] OpenLDAP & PAM authentication
by Adam Balgach 19 Jan '18

19 Jan '18

Hello – I am having an issue configuring openLDAP to authenticate users on an instance in RHEL (CentOS 7) MariaDB server configured with plugin-load=auth_pam.so in my /etc/pam.d/mysql: auth required pam_ldap.so account required pam_ldap.so when I try and access the server from either the localhost, or any server inside my internal network, I see the LDAP authentication happen without issue and login is fine. When I try and access the server from outside the network, on the mariadb server in /var/log/secure I see the following: Jan 19 08:32:35 mysqld: pam_ldap(mysql:auth): unexpected response from failed conversation function Jan 19 08:32:35 mysqld: pam_ldap(mysql:auth): conversation failed Jan 19 08:32:35 mysqld: pam_ldap(mysql:auth): failed to get password: Authentication token manipulation error And in my client (Cygwin) I get the following error: ERROR 2059 (HY000): Authentication plugin 'mysql_clear_password' cannot be loaded: No such file or directory However I see this plugin in the /usr/lib64/mysql/plugin directory Any idea what is going wrong with remote logins? Thanks-

2 1

[Maria-discuss] MariaDB 10.3.4 installation blocked ny MS "Windows Defender" malware protection
by Peter Laursen 19 Jan '18

19 Jan '18

Please see image. (you can clik "more info" adn the option to "install anyway" will appear. Did you forget to sign the installer this time or has some certificate expired? -- Peter -- Webog

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Re: [Maria-discuss] Parallel Databases and network security
by Reindl Harald 16 Jan '18

16 Jan '18

Am 16.01.2018 um 05:10 schrieb Jan Steinman: >> On 2018-01-15, at 17:15, Reindl Harald <h.reindl(a)thelounge.net> wrote: >> >> Am 16.01.2018 um 01:58 schrieb Jan Steinman: >>>> On 2018-01-15, at 16:37, Ruben Safir <ruben(a)mrbrklyn.com> wrote: >>>> >>>> Because that is how I want it. The longer explanation is, because that >>>> is how I want to do it, period. >>> You have the freedom to be foolish. And I have the freedom to not help you be foolish >> >> forget it - that fool obviously never wants answers to his questions nor tries to understand what people tell him > > He doesn’t understand how TCP/IP and routed works, either: “I'd like it to only listen on a specific interface altogether.” > > That’s okay. It’s been cheap entertainment for me! :-) :-) however, it's heartwarming that someone who don't want anserws from humans types his questions not in a search engine like https://www.google.at/search?q=mysql+listen gicen that the first hit is not too bad... https://www.howtogeek.com/howto/mysql/switch-mysql-to-listen-on-tcp/

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[Maria-discuss] Parallel Databases and network security
by Ruben Safir 16 Jan '18

16 Jan '18

Is there a way to hot copy a database from one machine to another and restrict network access to only between those two machines without using a firewall? Ruben -- So many immigrant groups have swept through our town that Brooklyn, like Atlantis, reaches mythological proportions in the mind of the world - RI Safir 1998 http://www.mrbrklyn.com DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002 http://www.nylxs.com - Leadership Development in Free Software http://www2.mrbrklyn.com/resources - Unpublished Archive http://www.coinhangout.com - coins! http://www.brooklyn-living.com Being so tracked is for FARM ANIMALS and and extermination camps, but incompatible with living as a free human being. -RI Safir 2013

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Re: [Maria-discuss] Parallel Databases and network security
by Reindl Harald 16 Jan '18

16 Jan '18

Am 16.01.2018 um 01:58 schrieb Jan Steinman: >> On 2018-01-15, at 16:37, Ruben Safir <ruben(a)mrbrklyn.com> wrote: >> >> Because that is how I want it. The longer explanation is, because that >> is how I want to do it, period. > > You have the freedom to be foolish. And I have the freedom to not help you be foolish forget it - that fool obviously never wants answers to his questions nor tries to understand what people tell him - leaves the questions why someone is aksing at all isntead just RTFM in silent in the thread below i did not say anything about that he should use systemd but how systemd does create the folder and why it should go to a subfolder and why that subfolder needs to created at every boot before try to start mysqld and his best answer was "I've seen already far too many security breakins of systemd" which i call a uneducated lie based on FUD https://www.mail-archive.com/maria-discuss@lists.launchpad.net/msg04760.html

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[Maria-discuss] Submitting talks for Percona Live Santa Clara?
by Colin Charles 09 Jan '18

09 Jan '18

Hi all, As part of the program committee, I’m writing in to say we’ve seen only a handful of talks mention MariaDB Server out of the several hundred submissions so far. With all the amazing use cases of MariaDB Server out there, I would expect a lot more. The CFP ends January 12 2018, so please feel free to get ideas and submissions in: https://www.percona.com/live/18/ Kind Regards, Colin Charles -- Colin Charles, http://bytebot.net/blog/ twitter: @bytebot | skype: colincharles "First they ignore you, then they laugh at you, then they fight you, then you win." -- Mohandas Gandhi

3 2

[Maria-discuss] Problem with bit operations in certain expressions
by Mats Eklund 09 Jan '18

09 Jan '18

Hi, Need some help here. I have the following expression: SELECT IF(1=1, 0x2, 0x4) | 0x1 which in MySQL evaluates to: 3 but in MariaDB it evaluates to: 1 MySQL's result seems correct to me. Would appreciate any advice on this. Many thanks! Mats

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[Maria-discuss] mariadb-connector-c mariadb_config: Faulty output with static gssapi plugin
by Stefan Scherfke 08 Jan '18

08 Jan '18

Hi all, the output of "mariadb_config --libs[_r]" is faulty if the AUTH_GSSAPI plugin is configured as static: I built mariadb-connector-c 3.0.2 on Fedora 26 with this command: mkdir build cd build cmake -DAUTH_GSSAPI=STATIC .. make The output of "mariadb_config" then looks like this: $ mariadb_config/mariadb_config --libs_r -L/usr/local/lib/mariadb/ -lmariadb -lpthread -ldl -lm -lssl -lcrypto -l-lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err All libs should be named like "-l<name>" but gssapi_krb5 has a double "-l-l" prefix. This problems becomes more apparent when I build mariadb-connector-c as a Python Conda package. Without the "AUTH_GSSAPI=STATIC" flag, I get the following libs: -L/opt/emsconda/conda-bld/mariadb-connector-c/env/lib/ -lmariadb -lpthread -ldl -lm -lssl -lcrypto With the "AUTH_GSSAPI=STATIC" flag, I get the following libs: -L/opt/emsconda/conda-bld/mariadb-connector-c/env/lib/ -lmariadb -lpthread -ldl -lm -lssl -lcrypto -l-L/opt/emsconda/conda-bld/mariadb-connector-c/envplaceho/lib -Wl,--enable-new-dtags -Wl,-rpath -Wl,/opt/emsconda/conda-bld/mariadb-connector-c/envplaceho/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err The problematic part there is the "-l-L/opt/emsconda/.../lib" part which confuses other tools like Mydumper when they are compiled against mariadb-connector-c. Is this an issue with mariadb-connector-c or can I fix it in my build process somehow? Cheers, Stefan

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[Maria-discuss] Fwd: [MariaDB Announce] MariaDB 10.2.12 now available
by Reindl Harald 04 Jan '18

04 Jan '18

and once again a update don't build with the same rpm-spec as before - frankly how often should i offer that someone sends out a mail to the ML with a link to a proposed release tarball to get such things fixed *before* release? + cmake . -DFEATURE_SET=large -DCMAKE_INSTALL_PREFIX=/usr -DINSTALL_INCLUDEDIR=include/mysql -DINSTALL_LAYOUT=RPM -DDAEMON_NAME=mysqld -DDAEMON_NO_PREFIX=mysqld -DNICE_PROJECT_NAME=MariaDB -DINSTALL_LIBDIR=lib64/mysql -DINSTALL_MANDIR=share/man -DINSTALL_MYSQLSHAREDIR=share/mysql -DINSTALL_MYSQLTESTDIR=share/mysql-test -DINSTALL_PLUGINDIR=lib64/mysql/plugin -DINSTALL_SBINDIR=libexec -DINSTALL_SCRIPTDIR=bin -DINSTALL_SQLBENCHDIR= -DINSTALL_SUPPORTFILESDIR=share/mysql -DMYSQL_DATADIR=/var/lib/mysql -DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock -DENABLED_PROFILING=OFF -DENABLE_DEBUG_SYNC=OFF -DENABLE_DTRACE=OFF -DPLUGIN_ARIA=YES -DPLUGIN_CSV=YES -DPLUGIN_MYISAM=YES -DPLUGIN_ARCHIVE=NO -DPLUGIN_BLACKHOLE=NO -DPLUGIN_CASSANDRA=NO -DPLUGIN_CONNECT=NO -DPLUGIN_EXAMPLE=NO -DPLUGIN_FEDERATED=NO -DPLUGIN_FEDERATEDX=NO -DPLUGIN_FEEDBACK=NO -DPLUGIN_MROONGA=NO -DPLUGIN_MYISAMMRG=NO -DPLUGIN_OQGRAPH=NO -DPLUGIN_PARTITION=NO -DPLUGIN_PERFSCHEMA=NO -DPLUGIN_ROCKSDB=NO -DPLUGIN_SEMISYNC=NO -DPLUGIN_SEQUENCE=NO -DPLUGIN_SPHINX=NO -DPLUGIN_SPIDER=NO -DPLUGIN_TOKUDB=NO -DPLUGIN_XTRADB=NO -DWITHOUT_DYNAMIC_PLUGINS=ON -DWITH_ATOMIC_OPS=smp -DWITH_EMBEDDED_SERVER=OFF -DWITH_INNODB_DISALLOW_WRITES=OFF -DWITH_INNODB_BZIP2=OFF -DWITH_INNODB_LZ4=OFF -DWITH_INNODB_LZMA=OFF -DWITH_INNODB_LZO=OFF -DWITH_INNODB_SNAPPY=OFF -DWITH_MYSQLCOMPAT=ON -DSECURITY_HARDENED=OFF -DWITH_LIBARCHIVE=OFF -DWITH_LIBWRAP=OFF -DWITH_MARIABACKUP=OFF -DWITH_PIC=NO -DWITH_READLINE=OFF -DWITH_SAFEMALLOC=OFF -DWITH_VALGRIND=OFF -DWITH_WSREP=OFF -DWITH_JEMALLOC=OFF -DWITH_SSL=system -DWITH_ZLIB=system -DCOMPILATION_COMMENT=thelounge [ 99%] Built target sql Scanning dependencies of target explain_filename-t Scanning dependencies of target mysqld [ 99%] Building CXX object sql/CMakeFiles/mysqld.dir/main.cc.o [100%] Linking CXX executable mysqld [100%] Building CXX object unittest/sql/CMakeFiles/explain_filename-t.dir/explain_filename-t.cc.o [100%] Linking CXX executable explain_filename-t libsql.a(sql_yacc.cc.o): In function .`MYSQLparse.(/THD.*.)/'sql:/ libsql.a/(homesql_yacc.cc.o/)buildbot:/ Ingit /functionsql /`sql_yacc.yyMYSQLparse(:THD*5211):' :undefined /referencehome /tobuildbot /`gitpartition_info/sql:/:sql_yacc.yyerror_if_requires_values:5211(: )undefined referenceconst 'to `partition_info::error_if_requires_values() const' collect2: error: ld returned 1 exit status collect2: error: ld returned 1 exit status make[2]: *** [sql/CMakeFiles/mysqld.dir/build.make:115: sql/mysqld] Error 1 make[2]: *** [unittest/sql/CMakeFiles/explain_filename-t.dir/build.make:116: unittest/sql/explain_filename-t] Error 1 make[1]: *** [CMakeFiles/Makefile2:8464: sql/CMakeFiles/mysqld.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... make[1]: *** [CMakeFiles/Makefile2:1336: unittest/sql/CMakeFiles/explain_filename-t.dir/all] Error 2 -------- Weitergeleitete Nachricht -------- Betreff: [MariaDB Announce] MariaDB 10.2.12 now available Datum: Thu, 4 Jan 2018 19:20:40 +0200 Von: MariaDB Announce List <announce(a)mariadb.org> An: announce(a)mariadb.org The MariaDB project is pleased to announce the availability of MariaDB 10.2.12, the latest stable release in the MariaDB 10.2 series. See the Release Notes and Changelogs for details. - - Links - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - MariaDB 10.2.12 - Release Notes: https://mariadb.com/kb/en/mdb-10212-rn/ - Changelog: https://mariadb.com/kb/en/mdb-10212-cl/ - Downloads: https://downloads.mariadb.org/mariadb/10.2.12 About MariaDB 10.2: - https://mariadb.com/kb/en/what-is-mariadb-102/ APT and YUM Repository Configuration Generator: - https://downloads.mariadb.org/mariadb/repositories/ - - MariaDB Books - - - - - - - - - - - - - - - - - - - - - - - - - - There is an ever-growing library of MariaDB books available to help you get the most out of MariaDB. See the MariaDB Books page for details and links: - https://mariadb.com/kb/en/mariadb/books/ - - User Feedback plugin - - - - - - - - - - - - - - - - - - - - - - - MariaDB includes a User Feedback plugin. This plugin is disabled by default. If enabled, it submits basic, completely anonymous MariaDB usage information. This information is used by the developers to track trends in MariaDB usage to better guide development efforts. If you would like to help make MariaDB better, please add "feedback=ON" to your my.cnf or my.ini file! See http://mariadb.com/kb/en/user-feedback-plugin for more information. - - Quality - - - - - - - - - - - - - - - - - - - - - - - - - - - - - The project always strives for quality, but in reality, nothing is perfect. Please take time to report any issues you encounter at: - http://jira.mariadb.org - - Support MariaDB - - - - - - - - - - - - - - - - - - - - - - - - - If you would like to contribute to the MariaDB Foundation, please see the "contributing" and "donations" pages. We also have merchandise available in a cafepress store. All proceeds go to support the MariaDB Foundation. - https://mariadb.com/kb/en/contributing - https://mariadb.org/donate/ We hope you enjoy MariaDB! -- MariaDB Website - http://mariadb.org Twitter - http://twitter.com/mariadbfdn Knowledge Base - http://mariadb.com/kb

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[Maria-discuss] Is this normal behaviour?
by Karthick Subramanian 04 Jan '18

04 Jan '18

All, When I tried to connect in centos 7 mariadb 10.2.11 server using root user, by mistake I gave wrong user name, but it connected successfully. I am not sure why. When I check show databases, it didnt list all DBs, but when I connect with root again, I can see all valid Dbs. Is this normal that even if I give wrong user, it authenticate into DB server from root. [root@ipaddr ~]# mysql -u rot Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 22 Server version: 10.2.11-MariaDB MariaDB Server Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | test | +--------------------+ 2 rows in set (0.00 sec) MariaDB [(none)]> exit Bye [root@ipaddr~]# mysql -u root Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 24 Server version: 10.2.11-MariaDB MariaDB Server Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | mydb01 | | information_schema | | mydb02 | | mysql | | performance_schema | | test | +--------------------+ 6 rows in set (0.00 sec)

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[Maria-discuss] Replication Upgrade Strategy MySQL 5.6 to MariaDB 10.2
by Michael Caplan 29 Dec '17

29 Dec '17

Hello, Am hoping to get some feedback on an upgrade strategy to go from MySQL 5.6 (two separate servers, one replication slave) to MariaDB 10.2 (installed on new servers). I'm looking at an rsync process to seed the two new instances on MariaDB, and am unsure if this is sound (https://www.stephenrlang.com/2016/08/setting-up-mysql-master-slave-replicat…) Roughly, the process would look like this: - rsync data from MySQL 5.6 Master to MariaDB 10.2 Slave - Lock master - Get master status - Refresh rsync - Remove lock - Run upgrade process on MariaDB 10.2 Slave. - Change MASTER.... on MariaDB 10.2 Slave - Create second MariaDB 10.2 Slave from first MariaDB 10.2 Slave - Promote MariaDB 10.2 Slave to Master (redirect all DB traffic at this point) - Redirect other MariaDB 10.2 Slave to new Master - Shutdown MySQL 5.6 servers. What I'm most concerned about is the viability of rsync as a method to seed the new MariaDB server from MySQL 5.6. I've come across some chatter that there are risks using rsync instead of a proper dump and restore. Can anyone comment on this? Thanks, Mike

2 3

[Maria-discuss] WSREP: BF lock wait long
by Jesus 22 Dec '17

22 Dec '17

Hi I'm getting this message almost daily or even more and I must restart the server that generates it: WSREP: BF lock wait long How can I solve this? Thanks for your help

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Re: [Maria-discuss] About data encryption
by Sergei Golubchik 15 Dec '17

15 Dec '17

Hi, Cesar! On Dec 15, Cesar Hernandez wrote: > > Thanks Sergei! > > So the database is encrypted by using AES-128-CBC or AES-128-CRT, right? > Can I use AES-256-CBC? No. Each tablespace is encrypted with a different per-tablespace key. This key is 128 bit. It's generated by encrypting a random 128-bit nonce with the user-specified key. So, if you specify a 256-bit key in the file_key_manager plugin, this 256-bit key will be used to generate the 128-bit tablespace key. The tablespace itself will be encrypted using the 128-bit key. Regards, Sergei Chief Architect MariaDB and security(a)mariadb.org

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[Maria-discuss] About data encryption
by Cesar Hernandez 14 Dec '17

14 Dec '17

Hi Can someone tell me which algorithm uses MariaDB when using table encryption? Looking at https://mariadb.com/kb/en/library/data-at-rest-encryption/ <https://mariadb.com/kb/en/library/data-at-rest-encryption/> Seems to talk only about encryption of the key file, but not on the database data. I've been looking for a while and haven't found complete documentation about it. I've even taken a look at the MariaDB source code, in the file /storage/innobase/fil/fil0crypt.cc <http://fil0crypt.cc/> Seems the encryption is done by AES algorithm, but I'm not sure, and I don't know the key size neither the mode of operation. Thanks Cesar

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[Maria-discuss] Debian 9.2 - Kytea
by Guillermo Cespedes 29 Nov '17

29 Nov '17

Hi, I'm compiling MariaDb in Debian 9.2. Is dependence on Kytea necessary? I need to compile Kytea previously. As you know, the Kytea package is no longer available in the Debian repositories. http://www.phontron.com/kytea/ <http://www.phontron.com/kytea/> https://github.com/dertin/lemp-stack-debian/blob/develop/install.sh#L105 <https://github.com/dertin/lemp-stack-debian/blob/develop/install.sh#L105> regards Guillermo Céspedes Full Stack Developer

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[Maria-discuss] Mariadb-10.2.11 missing tokudb rpm
by Reinis Rozitis 29 Nov '17

29 Nov '17

Hi, the mariadb-10.2.11 release (all distros) is missing *-tokudb-engine.rpm package. Is this a build/packaging error or something more (though nothing in the Release notes)? rr

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[Maria-discuss] MariaDB 10.2 now available on CentOS 6 &7 via SCL !!
by Michal Schorm 29 Nov '17

29 Nov '17

Hello everybody, In case you missed it, I just want to share an announce of availability of MariaDB 10.2 on CentOS 6 & 7 as a Software collections. Here are the announce emails from CentOS mailing list, which contains most basic howto: https://lists.centos.org/pipermail/centos-announce/2017-November/022640.html https://lists.centos.org/pipermail/centos-announce/2017-November/022642.html -- This made MariaDB 10.2 a big step closer to a new mass of users, because the standard MDB version in CentOS & RHEL is 5.5. It took quite an effort to fine-tune and perk-up the MDB 10.2 since its first attemps in Fedora, however it is always pleasure to cooperate with developers like you :) -- Michal Schorm Associate Software Engineer Core Services - Databases Team Red Hat

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[Maria-discuss] installing mariadb using rpm
by Mark Edwards 28 Nov '17

28 Nov '17

hello - i was following an earlier thread titled: [Maria-discuss] Install MariaDB repo official Centos-7 this is the first time i have attempted an RPM install. so i decided to try it myself, using 10.2 on a new Centos7 installation created in google-console. the installation went perfectly, but now i have a question. i let mariadb generate my repo using this link: https://downloads.mariadb.org/mariadb/repositories/#mirror=jaleco&distro=Ce… and the following repo was generated: # MariaDB 10.2 CentOS repository list - created 2017-11-28 17:28 UTC # http://downloads.mariadb.org/mariadb/repositories/ [mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.2/centos7-amd64 gpgkey= https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 my question: when i cat /proc/cpuinfo, i see the following: vendor_id : GenuineIntel model name : Intel(R) Xeon(R) CPU @ 2.30GHz and yet the repo specifies "centos7-amd64". does it matter that amd64 is being specified rather than Intel? Thank you, Mark Edwards

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[Maria-discuss] Install MariaDB repo official Centos-7
by Wilmer Arambula 28 Nov '17

28 Nov '17

Hi, install MariaDB from the official repository [mariadb.org] for Centos-7: 1.- yum install MariaDB-server MariaDB-client When executing: 2.- systemctl start mariadb.service Error: Failed to start mariadb.service: Unit not found. Thks,

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[Maria-discuss] MariaDB won't start after updating Fedora 26 to Fedora 27
by Bill Damage 23 Nov '17

23 Nov '17

After checking the logs I see mysqld: Can't create/write to file '/var/run/mariadb/mariadb.pid' (Errcode: 2 "No such file or directory")If I manually create this dir I can then start it ... until the next reboot. What is the correct fix to ensure its works as it did before the update please?

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[Maria-discuss] ALTER TABLE removes check constraint
by Peter Laursen 22 Nov '17

22 Nov '17

Test case: CREATE TABLE checks (a INT CHECK (a>2), b INT CHECK (b>2), CONSTRAINT a_greater CHECK (a>b)); SHOW CREATE TABLE checks; ALTER TABLE `test`.`checks` CHANGE `a` `a` INT(11) NULL; SHOW CREATE TABLE checks; /' -- and now one constraint is gone! CREATE TABLE `checks` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL CHECK (`b` > 2), CONSTRAINT `a_greater` CHECK (`a` > `b`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 */ This docs page https://mariadb.com/kb/en/library/constraint/ does not say that (unnamed) CHECK constraints (ie. defined "column-wise") may be removed like this. In this case the ALTER changes one column to what it already was and still the CONSTRAINT is removed. A more realistic scenario is that someone has an INT column that is about to overflow and wants to change it to a BIGINT. I am not sure if this is an oversight/a bug or not. But if it is not, I think the docs page should clearly state that "an unnamed CHECK constraint is droppped implicitly when an ALTER TABLE statement is executed and this ALTER TABLE statement references the particular column and the ALTER TABLE statement does not recreate the CONSTRAINT". There will be other cases where such ALTER TABLE would violate the CONSTRAINT due to already existing data. Wasn't it better if the ALTER TABLE failed then, rather than dropping the CONSTRAINT? What do standards say? How do other RDBMS behave with this? Does somebody know more about this? What say? -- Peter -- Webyog

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