March 2009 - developers - lists.mariadb.org

Re: [Maria-developers] MySQL / Maria Windows Port
by Michael Widenius 15 Mar '09

15 Mar '09

Hi! <cut> >> The my_pwrite() code now looks like: >> >> .... >> #if defined(_WIN32) >> readbytes= my_win_pread(Filedes, Buffer, Count, offset); >> #else >> ... >> >> And there is ew my_winfile.c file. >> >> Is that your code? <cut> Jeremiah> Yeah, this is definitely 99% my code. Someone spent the time to clean Jeremiah> it, normalize it, and add a few fixes and polish, but it's essentially Jeremiah> the same as what I submitted. Unfortunately, there's no one line Jeremiah> attribution I was promised for contributing the code. :) But at least Jeremiah> it's in there, that's a great start. Sorry about the attribution; I will ensure that when we pull/implement this to MariaDB we will add it! <cut> >> Could you take a look a the MySQL-6.0 mysys/windows code and see if >> you think if it's now good enough. >> >> If not, do you think we should take the 6.0 code as a base for our >> tree or should we start with your code? >> Jeremiah> The MySQL 6.0 code for Windows file handling is a good starting point, Jeremiah> but you can see the primary "hack" of my code is the my_open_osfhandle Jeremiah> function, which is a table specifically for emulating the C style Jeremiah> integer file handles. If I recall correctly (it has been years) the Jeremiah> only reasons I had to implement this were: Jeremiah> As you said, the my_file_info structure, which uses the file descriptor Jeremiah> itself as an index. Jeremiah> my_file.c Jeremiah> if ((uint) fd < my_file_limit && my_file_info[fd].type != UNOPEN) Jeremiah> There you can see the opacity of the file descriptor is violated by Jeremiah> using it as a bounds check for the array, although that's obviously Jeremiah> follows using it as an index into the array. When I made the patch my Jeremiah> understanding was that I needed to keep as many of the changes as Jeremiah> possible within Windows ifdefs, and that changing the structure that Jeremiah> contains all of the file handles significantly would be too much change Jeremiah> to non-Windows code. Yes, we should to strive to keep most of the code 'similar' to ensure easy pulls between MySQL versions. Jeremiah> There are obviously a lot of ways to resolve this. If I were writing it Jeremiah> from scratch, I wouldn't pass the file descriptor around to different Jeremiah> functions, I would pass a pointer to the my_file_info structure around Jeremiah> instead, and all of the mysys file handling code would take a Jeremiah> my_file_info structure pointer as the file desc parameter. There's no Jeremiah> need to index into an array if you already have the pointer to the Jeremiah> struct in question. The code would become portable, and the Jeremiah> serialization on file open/close (fairly minor) would disappear. Agree that a much better way would be to move away from int's and have a structure instead. It should however not be that hard to do this properly as most of the MySQL code is using the type 'File' for the file handle. My old idea was to create a new library, my_file, and copy all the file handling and file name functions from this to my_file and then change this to use a pointer to a structure instead of a File object. The File objects should also contains the file name in parts and one should be able to manipulate the file name without having the file open. The changes in the code would mainly be: - Create the new library. - Add a separate call to populate the File object with the name parts - Change all calls to my_open / my_read to my_file_open, my_file_read etc... (Can be done trivially with one replace command) - Change error handling to instead of checking if my_file_open returns -1 see if it returns MY_INVALID_FILE - Over time, change all file and file name handling functions to use the new file handling functions. You can find the original description of this task here: http://forge.mysql.com/worklog/task.php?id=314 I have included a halfdone version if this code in this email. basharteg> If things are basharteg> being designed in a way that isn't entirely UNIX-centric, it's easy to make basharteg> MySQL for Windows fly. If we get to the point where we're willing to look basharteg> at async socket I/O and thread queues / I/O Completion Ports for work basharteg> dispatch, we can do even more. >> I don't know much about that, so I would be really thankful for any >> help I can get in this area. Jeremiah> It's going to take a fair amount of design work to figure out how to Jeremiah> adapt MySQL to this kind of model. It could be implemented on all Jeremiah> platforms with epoll on Linux, kqueue on FreeBSD, and I/O Completion Jeremiah> Ports on Windows. Event notification I/O is the key to serious Jeremiah> scalability, but it requires significant design changes, especially when Jeremiah> you're coming from a 1:1 threading model. I have always been worried about the fact that if you have other threads doing IO, you will always get a thread switch + some atomic operations / mutex when doing any read or write operations. The 1:1 model makes handling io operations much easier and if things are buffered then this can be superior compared to having a pool for data. Also, if all the threads are mixing cpu bound and io operations, this gives you somewhat balanced load that works reasonable good in many cases. I understand that pools are superior in some context; I am just not yet sure when it's best to use a pool and when to use 1:1 threads. <cut> >> In MySQL 6.0 we you can choose at startup if you want to have one >> thread per connection or a pool of threads to handle all connections. >> I wrote the patch in such a way that it's < 10 min of works to pull >> this code back to 5.1 (or MariaDB); Will do this next week. >> >> http://dev.mysql.com/doc/refman/6.0/en/connection-threads.html >> Jeremiah> This change makes significant progress towards moving to event Jeremiah> notification I/O. That means you broke the state information up between Jeremiah> thread and connection and eliminated the bad thread == connection Jeremiah> assumptions. Yes. The patch is now in lp:maria basharteg> So in terms of MySQL, it definitely runs with a 1:1 threading model using basharteg> blocking I/O. While this isn't uncommon for UNIX applications, you'll basharteg> notice the "hot" UNIX apps that are more interested in the C10K ( basharteg> http://www.kegel.com/c10k.html) target for their scalability are starting to basharteg> move to async I/O implementations. This has produced some good output like basharteg> lighttpd (http://www.lighttpd.net/). >> I haven't yet made up my mind what's the best route for MariaDB in >> this case; I am waiting for a benchmark or nice code that will make up >> my mind for me... The thread goes both ways. When MySQL was created, it was more common for people to use using async instead of an 1:1 thread model. As far as people have told me, after MySQL and as the thread libraries got better a lot of programs changed to us a 1:1 thread model. Don't think it has yet been proved what is the best model/mix long term. A lot depends on the worklog and what the threads are doing. For example in the MySQL case: - If all your queries are short and there are very little conflicts a pool-of-threads version is much better than a 1:1 model. - If you have a big mix long running queries and short running queries, a 1:1 thread application is superior to simple pole based one. Jeremiah> Yeah, benchmarks are tough too, because serial benchmarks will tend to Jeremiah> show the overhead involved in asynchronous I/O operations. You have to Jeremiah> decide that you're developing for the multi-core world and accept the Jeremiah> minor overhead in exchange for the significant scalability enhancements, Jeremiah> and design your benchmarks to implement concurrent loads. See above. What is best is mostly depending one what the threads are supposed to do. Multi-core is not the most critical part here. <cut> >> Note that the thread pool is still 'beta' quality, in the sense it >> still have some notable week spots: >> >> - If all threads are working or hang (in lock tables) then no new >> connections can be established, one can't examine what is going on >> and one can't kill offending threads (as one can't send in new queries) >> >> The easyest fix would be to have another port where one could connect >> with the 1:1 model and check what's going on. I added this to the MariaDB thread-pool implementation that is now pushed. Jeremiah> Having an administrative connection is something MySQL has needed for a Jeremiah> very long time anyway. However, as someone who uses thread pools Jeremiah> extensively on a daily basis, you can handle the cases of thread pool Jeremiah> exhaustion in several ways, including safety timer events, timeouts on Jeremiah> lock waits, event based notification on lock acquisition (may be Jeremiah> difficult). This is not easy when you don't want to abort any of the running queries. As the lock between threads can bappen very low, for example inside a storage engine for which you don't have any control, none of the above solutions are easy or even possible to implement. Jeremiah> But as someone who runs a fairly large MySQL system for a Jeremiah> telephony company, I can tell you that the 1:1 threading model doesn't Jeremiah> save you from thread exhaustion any more than having a thread pool Jeremiah> would. When we get threads stuck waiting for locks our servers can Jeremiah> easily become thread exhausted with no way to kill the threads. As long as you limit max_connections under the number of threads your system can handle, you should always be able to connect as a SUPER user and fix things. Jeremiah> Besides, in a good design, you shouldn't have just one thread pool. The Jeremiah> thread pool that handles I/O events (like accepting new connections) Jeremiah> should be different from the worker thread pool that executes SQL Jeremiah> statements. In the current thread pool implementation, the threads are waiting in the pool for any request on connection port; In this case the connection/login handling and reading commands from the user are both io events. Jeremiah> In the Windows async I/O world, we consider connections to be relatively Jeremiah> inexpensive. I don't set connection limits in my applications. Each Jeremiah> connection is a little bit of non-paged pool kernel memory, plus the Jeremiah> little struct I use to keep the connection state information, plus one Jeremiah> async I/O read pending (among thousands). You also need to keep the connection state, which in MySQL means the THD object. This is a semi-expensive object (10 K) Jeremiah> But yes, one of the basics of our design is having at least two thread Jeremiah> pools, one for socket I/O (at least so far as new connections, posting Jeremiah> reads, and receiving queries) and one for SQL statements. The socket Jeremiah> I/O thread pool should not be something that deadlocks, since whatever Jeremiah> locking is used, it would be far more deterministic than the locking Jeremiah> involved in executing SQL statements. In the current implementation, we have only one pool and in MySQL:s case it may be enough. The reason for this is that when the thread gets a signal that there is data to be read, it will have all data it needs in the buffer (as the client commands are mostly very short and if they are not short, the client is working full time to send it as they are always send whole). This means that there is in practice no deadlocks when it comes to reading data and you win the context switch from reading data and then giving it to a worker thread. Jeremiah> Another thing to throw out there since I'm already being terribly Jeremiah> verbose is, each query should have a timeout value, and when that Jeremiah> timeout value is exceeded, the query should terminate. One of the worst Jeremiah> parts about working in MySQL is the idea of a stuck query, especially Jeremiah> when you need a separate connection to kill it. In systems like Jeremiah> Microsoft SQL, the default query timeout is 2 minutes, and if you need Jeremiah> to exceed that or you don't want a timeout, you can change it as part of Jeremiah> the connection settings. Runaway queries running indefinitely doesn't Jeremiah> make any practical sense. This agains depends on the application. Most applications need to do long statistical queries from time to time and you don't want to kill these! Same thing with any queries that does critical updates or moves things around (like ALTER TABLE, REPAIR etc). In other words; I agree we need a timeout mechanism. I am however not sure what should be the best default value for this. That said, Guilhem did once implement a timeout for queries but this was unfortunately never pushed becasue it changed the code too much at the time when the patch was made and we where close to GA. We should dig out this patch and fix it for the current code and add it. Jeremiah> Also, when we get async I/O in place, you Jeremiah> could eventually add an extension to the protocol that allows the client Jeremiah> to cancel the query in progress. Since the incoming I/Os are handled by Jeremiah> I/O threads rather than the SQL threads, you can still receive commands Jeremiah> while the query is in progress. So even as you're executing a query for Jeremiah> someone, you have an async read on the socket waiting for the next Jeremiah> command. If the next command is received while the query is still in Jeremiah> progress, you check to see if it's a cancel command, or simply a Jeremiah> pipelined SQL query. If it's a cancel command, you flag your SQL thread Jeremiah> to stop when it can, and if it's a pipelined SQL query they're probably Jeremiah> violating the MySQL protocol anyway since they need to wait for a Jeremiah> response to the previous query, but if we allowed pipelined queries some Jeremiah> day in the future, they've lost their right to cancel this query and you Jeremiah> simply queue the SQL query until the current query is finished. In the Jeremiah> far future, multiple queries on the same connection are fine, and are Jeremiah> given query identifiers and all handled through async I/O, and all Jeremiah> queries are cancellable. Now you can achieve the same thing by just sending the kill one another connection (could for example be used through the extra-port). Drizzle has done some work in the direction of sending many queries on the same connection. We should look at this when their implementation is ready. I am still a bit sceptical of having two thread pools; My major worry is that it will for normal users slow down things instead of giving a speed increase (because of the extra context switch and mutex/atomic operations to shuffle things around) We need to find someone that can write a prototype and show the benefits trough some agreed to benchmark... basharteg> We need to find the points in there where I/Os are taking place that can be basharteg> adapted to an async model. Basically, the disk reads that are happening to basharteg> satisfy the query, the network reads to get the query, the network writes to basharteg> send the results, and the network waits for the next query. All of those basharteg> things need to happen without a thread being associated with this basharteg> connection/query. We need a proof of concept and benchmark of this... >> For mysqld this isn't trivial as we can't easily change the code for >> the engines. >> >> What I don't like with the async model is that for reads on disk it >> doesn't speed up things as much and it may even slow down thing as you >> now have two threads communication and the original is just waiting >> for the other to take the message, execute it, and tell the other that >> it's now ready. Jeremiah> Well, you can avoid async I/O for disk I/O if you think it's going to be Jeremiah> a performance negative. On single or few drive SATA systems, you're Jeremiah> right. On high end I/O subsystems, async I/O can definitely have a Jeremiah> throughput benefit, especially when you have an advanced storage Jeremiah> subsystem driver that combines operations. As we get to Solid State Jeremiah> Disks in the future, it's going to be the same thing as with the Jeremiah> multi-core CPUs we're adapting to. If you're not doing multiple things Jeremiah> at once, your performance is going to be weak. For now though, you can Jeremiah> leave out async disk I/O, but async socket I/O is the only way to get up Jeremiah> to tens of thousands of connections and beyond. You shouldn't be afraid Jeremiah> of the overhead of using multiple threads and multiple thread pools. If Jeremiah> done properly, the penalty to serial operations is minimal, and the Jeremiah> performance gains are significant (in addition to the robustness Jeremiah> enhancements previously discussed). The pool-of-threads code we have now already gives us 100,000 of connections. But I am still afread of splitting the current thread pool to 2 parts... <cut> >> What would be the advantages of using Apache portable runtime? >> Should this be instead of mysys ? >> >> The benefits of using mysys are: >> - Well working and integrated with all MySQL parts >> - Well integrated with dbug statements >> - Provides a lot of extra features, like hiding windows thread >> implementation. >> Jeremiah> I can understand moving to apr from mysys might not be feasible, I just Jeremiah> bring it up because they've abstracted async and event driven I/O and a Jeremiah> lot of other platform differences very well. It works great on Jeremiah> Windows, FreeBSD, and Linux. Probably not something we can go for Jeremiah> right now, but they may have some useful designs and hints. I am happy to take any good ideas from their libraires and add them to ours and even move some of our code in their direction (if there is a clear gain for this). Regards, Monty

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[Maria-developers] bzr commit into MariaDB 5.1, with Maria 1.5:maria branch (knielsen:2683)
by knielsen＠knielsen-hq.org 13 Mar '09

13 Mar '09

#At lp:maria 2683 knielsen(a)knielsen-hq.org 2009-03-13 [merge] Merged. removed: extra/libevent/event-config.h modified: sql/mysqld.cc === removed file 'extra/libevent/event-config.h' --- a/extra/libevent/event-config.h 2009-03-12 22:27:35 +0000 +++ b/extra/libevent/event-config.h 1970-01-01 00:00:00 +0000 @@ -1,1409 +0,0 @@ -/* event-config.h - * Generated by autoconf; post-processed by libevent. - * Do not edit this file. - * Do not rely on macros in this file existing in later versions. - */ -#ifndef _EVENT_CONFIG_H_ -#define _EVENT_CONFIG_H_ -/* include/config.h. Generated from config.h.in by configure. */ -/* config.h.in. Generated from configure.in by autoheader. */ - -/* Support big tables */ -#define _EVENT_BIG_TABLES 1 - -/* Whether features provided by the user community should be included */ -#define _EVENT_COMMUNITY_SERVER 1 - -/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP - systems. This function is required for `alloca.c' support on those systems. - */ -/* #undef _EVENT_CRAY_STACKSEG_END */ - -/* Define to 1 if using `alloca.c'. */ -/* #undef _EVENT_C_ALLOCA */ - -/* Don't use libdbug */ -/* #undef _EVENT_DBUG_OFF */ - -/* Use libdbug */ -#define _EVENT_DBUG_ON 1 - -/* all charsets are available */ -#define _EVENT_DEFINE_ALL_CHARACTER_SETS 1 - -/* Disables the use of --init-file, --skip-grant-tables and --bootstrap - options */ -/* #undef _EVENT_DISABLE_GRANT_OPTIONS */ - -/* Define if clock_gettime is available in libc */ -/* #undef _EVENT_DNS_USE_CPU_CLOCK_FOR_ID */ - -/* Define is no secure id variant is available */ -#define _EVENT_DNS_USE_GETTIMEOFDAY_FOR_ID 1 - -/* Version of .frm files */ -#define _EVENT_DOT_FRM_VERSION 6 - -/* If LOAD DATA LOCAL INFILE should be enabled by default */ -#define _EVENT_ENABLED_LOCAL_INFILE 1 - -/* If SHOW PROFILE should be enabled */ -#define _EVENT_ENABLED_PROFILING 1 - -/* Enable error injection in MySQL Server */ -/* #undef _EVENT_ERROR_INJECT_SUPPORT */ - 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Use explicit template instantiation. */ -#define _EVENT_HAVE_EXPLICIT_TEMPLATE_INSTANTIATION 1 - -/* Define to 1 if you have the `fchmod' function. */ -#define _EVENT_HAVE_FCHMOD 1 - -/* Define to 1 if you have the `fcntl' function. */ -#define _EVENT_HAVE_FCNTL 1 - -/* Define to 1 if you have the <fcntl.h> header file. */ -#define _EVENT_HAVE_FCNTL_H 1 - -/* Define to 1 if you have the `fconvert' function. */ -/* #undef _EVENT_HAVE_FCONVERT */ - -/* Define to 1 if you have the `fdatasync' function. */ -#define _EVENT_HAVE_FDATASYNC 1 - -/* Define to 1 if you have the `fgetln' function. */ -/* #undef _EVENT_HAVE_FGETLN */ - -/* Define to 1 if you have the `finite' function. */ -#define _EVENT_HAVE_FINITE 1 - -/* Define to 1 if you have the <floatingpoint.h> header file. */ -/* #undef _EVENT_HAVE_FLOATINGPOINT_H */ - -/* Define to 1 if you have the <float.h> header file. */ -#define _EVENT_HAVE_FLOAT_H 1 - -/* Define to 1 if you have the `flockfile' function. */ -#define _EVENT_HAVE_FLOCKFILE 1 - -/* Define to 1 if you have the <fnmatch.h> header file. */ -#define _EVENT_HAVE_FNMATCH_H 1 - -/* Define to 1 if you have the `fpresetsticky' function. */ -/* #undef _EVENT_HAVE_FPRESETSTICKY */ - -/* Define to 1 if you have the `fpsetmask' function. */ -/* #undef _EVENT_HAVE_FPSETMASK */ - -/* Define to 1 if the system has the type `fp_except'. */ -/* #undef _EVENT_HAVE_FP_EXCEPT */ - -/* Define to 1 if you have the `fsync' function. */ -#define _EVENT_HAVE_FSYNC 1 - -/* Define to 1 if you have the `ftruncate' function. */ -#define _EVENT_HAVE_FTRUNCATE 1 - -/* Define to 1 if compiler provides atomic builtins. */ -/* #undef _EVENT_HAVE_GCC_ATOMIC_BUILTINS */ - -/* Define to 1 if you have the `getaddrinfo' function. */ -#define _EVENT_HAVE_GETADDRINFO 1 - -/* Define to 1 if you have the `getcwd' function. */ -#define _EVENT_HAVE_GETCWD 1 - -/* Define to 1 if you have the `gethostbyaddr_r' function. */ -#define _EVENT_HAVE_GETHOSTBYADDR_R 1 - -/* Define to 1 if you have the `gethostbyname_r' function. */ -#define _EVENT_HAVE_GETHOSTBYNAME_R 1 - -/* Solaris define gethostbyname_r with 5 arguments. glibc2 defines this with 6 - arguments */ -#define _EVENT_HAVE_GETHOSTBYNAME_R_GLIBC2_STYLE 1 - -/* In OSF 4.0f the 3'd argument to gethostbyname_r is hostent_data * */ -/* #undef _EVENT_HAVE_GETHOSTBYNAME_R_RETURN_INT */ - -/* Define to 1 if you have the `gethrtime' function. */ -/* #undef _EVENT_HAVE_GETHRTIME */ - -/* Define to 1 if you have the `getline' function. */ -#define _EVENT_HAVE_GETLINE 1 - -/* Define to 1 if you have the `getnameinfo' function. */ -#define _EVENT_HAVE_GETNAMEINFO 1 - -/* Define to 1 if you have the `getpagesize' function. */ -#define _EVENT_HAVE_GETPAGESIZE 1 - -/* Define to 1 if you have the `getpass' function. */ -#define _EVENT_HAVE_GETPASS 1 - -/* Define to 1 if you have the `getpassphrase' function. */ -/* #undef _EVENT_HAVE_GETPASSPHRASE */ - -/* Define to 1 if you have the `getpwnam' function. */ -#define _EVENT_HAVE_GETPWNAM 1 - -/* Define to 1 if you have the `getpwuid' function. */ -#define _EVENT_HAVE_GETPWUID 1 - -/* getpwent() declaration present */ -/* #undef _EVENT_HAVE_GETPW_DECLS */ - -/* Define to 1 if you have the `getrlimit' function. */ -#define _EVENT_HAVE_GETRLIMIT 1 - -/* Define to 1 if you have the `getrusage' function. */ -#define _EVENT_HAVE_GETRUSAGE 1 - -/* Define to 1 if you have the `gettimeofday' function. */ -#define _EVENT_HAVE_GETTIMEOFDAY 1 - -/* Define to 1 if you have the `getwd' function. */ -#define _EVENT_HAVE_GETWD 1 - -/* Define to 1 if you have the `gmtime_r' function. */ -#define _EVENT_HAVE_GMTIME_R 1 - -/* Define to 1 if you have the <grp.h> header file. */ -#define _EVENT_HAVE_GRP_H 1 - -/* HIST_ENTRY is defined in the outer libeditreadline */ -/* #undef _EVENT_HAVE_HIST_ENTRY */ - -/* Define to 1 if you have the <ieeefp.h> header file. */ -/* #undef _EVENT_HAVE_IEEEFP_H */ - -/* Define to 1 if you have the `index' function. */ -#define _EVENT_HAVE_INDEX 1 - -/* Define to 1 if you have the `inet_ntop' function. */ -#define _EVENT_HAVE_INET_NTOP 1 - -/* Define to 1 if you have the `initgroups' function. */ -#define _EVENT_HAVE_INITGROUPS 1 - -/* Define to 1 if the system has the type `int16'. */ -/* #undef _EVENT_HAVE_INT16 */ - -/* Define to 1 if the system has the type `int32'. */ -/* #undef _EVENT_HAVE_INT32 */ - -/* Define to 1 if the system has the type `int64'. */ -/* #undef _EVENT_HAVE_INT64 */ - -/* Define to 1 if the system has the type `int8'. */ -/* #undef _EVENT_HAVE_INT8 */ - -/* Define to 1 if you have the <inttypes.h> header file. */ -#define _EVENT_HAVE_INTTYPES_H 1 - -/* Define to 1 if the system has the type `in_addr_t'. */ -#define _EVENT_HAVE_IN_ADDR_T 1 - -/* isinf() macro or function */ -#define _EVENT_HAVE_ISINF 1 - -/* Define to 1 if you have the `isnan' function. */ -#define _EVENT_HAVE_ISNAN 1 - -/* Define to 1 if you have the `issetugid' function. */ -/* #undef _EVENT_HAVE_ISSETUGID */ - -/* Define to 1 if you have the `kqueue' function. */ -/* #undef _EVENT_HAVE_KQUEUE */ - -/* Define if mysql_cv_langinfo_codeset=yes */ -#define _EVENT_HAVE_LANGINFO_CODESET - -/* Define to 1 if you have the <langinfo.h> header file. */ -#define _EVENT_HAVE_LANGINFO_H 1 - -/* Define if you have large pages support */ -#define _EVENT_HAVE_LARGE_PAGES 1 - -/* Define to 1 if you have the `bind' library (-lbind). */ -/* #undef _EVENT_HAVE_LIBBIND */ - -/* Define to 1 if you have the `compat' library (-lcompat). */ -/* #undef _EVENT_HAVE_LIBCOMPAT */ - -/* Define to 1 if you have the `c_r' library (-lc_r). */ -/* #undef _EVENT_HAVE_LIBC_R */ - -/* Define to 1 if you have the `dl' library (-ldl). */ -#define _EVENT_HAVE_LIBDL 1 - -/* If we want to use libevent and have connection pooling */ -#define _EVENT_HAVE_LIBEVENT 1 - -/* Define to 1 if you have the `gen' library (-lgen). */ -/* #undef _EVENT_HAVE_LIBGEN */ - -/* Define to 1 if you have the `m' library (-lm). */ -#define _EVENT_HAVE_LIBM 1 - -/* Define to 1 if you have the `nsl' library (-lnsl). */ -#define _EVENT_HAVE_LIBNSL 1 - -/* Define to 1 if you have the `nsl_r' library (-lnsl_r). */ -/* #undef _EVENT_HAVE_LIBNSL_R */ - -/* Define to 1 if you have the `posix4' library (-lposix4). */ -/* #undef _EVENT_HAVE_LIBPOSIX4 */ - -/* Define to 1 if you have the `pthread' library (-lpthread). */ -#define _EVENT_HAVE_LIBPTHREAD 1 - -/* Define to 1 if you have the `resolv' library (-lresolv). */ -#define _EVENT_HAVE_LIBRESOLV 1 - -/* Define to 1 if you have the `rt' library (-lrt). */ -#define _EVENT_HAVE_LIBRT 1 - -/* Define to 1 if you have the `socket' library (-lsocket). */ -/* #undef _EVENT_HAVE_LIBSOCKET */ - -/* Define if have -lwrap */ -/* #undef _EVENT_HAVE_LIBWRAP */ - -/* Define to 1 if you have the <limits.h> header file. */ -#define _EVENT_HAVE_LIMITS_H 1 - -/* Whether we are using Xavier Leroy's LinuxThreads */ -/* #undef _EVENT_HAVE_LINUXTHREADS */ - -/* Define to 1 if you have the <linux/config.h> header file. */ -/* #undef _EVENT_HAVE_LINUX_CONFIG_H */ - -/* Define to 1 if you have the <locale.h> header file. */ -#define _EVENT_HAVE_LOCALE_H 1 - -/* Define to 1 if you have the `localtime_r' function. */ -#define _EVENT_HAVE_LOCALTIME_R 1 - -/* Define to 1 if you have the `locking' function. */ -/* #undef _EVENT_HAVE_LOCKING */ - -/* Define to 1 if you have the `longjmp' function. */ -#define _EVENT_HAVE_LONGJMP 1 - -/* Define to 1 if you have the `lrand48' function. */ -#define _EVENT_HAVE_LRAND48 1 - -/* Define to 1 if you have the `lstat' function. */ -#define _EVENT_HAVE_LSTAT 1 - -/* Define to 1 if you have the `madvise' function. */ -#define _EVENT_HAVE_MADVISE 1 - -/* Define to 1 if you have the `mallinfo' function. */ -#define _EVENT_HAVE_MALLINFO 1 - -/* Define to 1 if you have the <malloc.h> header file. */ -#define _EVENT_HAVE_MALLOC_H 1 - -/* Define if you have mbrlen */ -#define _EVENT_HAVE_MBRLEN - -/* Define if you have mbrtowc */ -#define _EVENT_HAVE_MBRTOWC - -/* Define if you have mbsrtowcs */ -#define _EVENT_HAVE_MBSRTOWCS - -/* Define if mysql_cv_have_mbstate_t=yes */ -#define _EVENT_HAVE_MBSTATE_T - -/* Define to 1 if you have the `memcpy' function. */ -#define _EVENT_HAVE_MEMCPY 1 - -/* Define to 1 if you have the `memmove' function. */ -#define _EVENT_HAVE_MEMMOVE 1 - -/* Define to 1 if you have the <memory.h> header file. */ -#define _EVENT_HAVE_MEMORY_H 1 - -/* Define to 1 if you have the `mkstemp' function. */ -#define _EVENT_HAVE_MKSTEMP 1 - -/* Define to 1 if you have the `mlockall' function. */ -#define _EVENT_HAVE_MLOCKALL 1 - -/* Define to 1 if you have the `mmap' function. */ -#define _EVENT_HAVE_MMAP 1 - -/* Define to 1 if you have the `mmap64' function. */ -#define _EVENT_HAVE_MMAP64 1 - -/* Define to 1 if you have the <ndir.h> header file. */ -/* #undef _EVENT_HAVE_NDIR_H */ - -/* Define to 1 if you have the <netinet/in6.h> header file. */ -/* #undef _EVENT_HAVE_NETINET_IN6_H */ - -/* Define to 1 if you have the <netinet/in.h> header file. */ -#define _EVENT_HAVE_NETINET_IN_H 1 - -/* For some non posix threads */ -/* #undef _EVENT_HAVE_NONPOSIX_PTHREAD_GETSPECIFIC */ - -/* For some non posix threads */ -/* #undef _EVENT_HAVE_NONPOSIX_PTHREAD_MUTEX_INIT */ - -/* sigwait with one argument */ -/* #undef _EVENT_HAVE_NONPOSIX_SIGWAIT */ - -/* NPTL threads implementation */ -#define _EVENT_HAVE_NPTL 1 - -/* Define to 1 if the system has the type `off_t'. */ -#define _EVENT_HAVE_OFF_T 1 - -/* OpenSSL */ -#define _EVENT_HAVE_OPENSSL 1 - -/* Define to 1 if you have the <paths.h> header file. */ -#define _EVENT_HAVE_PATHS_H 1 - -/* Define to 1 if you have the `perror' function. */ -#define _EVENT_HAVE_PERROR 1 - -/* Define to 1 if you have the `poll' function. */ -#define _EVENT_HAVE_POLL 1 - -/* Define to 1 if you have the <poll.h> header file. */ -#define _EVENT_HAVE_POLL_H 1 - -/* Define to 1 if you have the `port_create' function. */ -/* #undef _EVENT_HAVE_PORT_CREATE */ - -/* Define to 1 if you have the <port.h> header file. */ -/* #undef _EVENT_HAVE_PORT_H */ - -/* Define to 1 if you have the `posix_fallocate' function. */ -#define _EVENT_HAVE_POSIX_FALLOCATE 1 - -/* Signal handling is POSIX (sigset/sighold, etc) */ -#define _EVENT_HAVE_POSIX_SIGNALS 1 - -/* Define to 1 if you have the `pread' function. */ -#define _EVENT_HAVE_PREAD 1 - -/* Define to 1 if you have the `pthread_attr_create' function. */ -/* #undef _EVENT_HAVE_PTHREAD_ATTR_CREATE */ - -/* Define to 1 if you have the `pthread_attr_getstacksize' function. */ -#define _EVENT_HAVE_PTHREAD_ATTR_GETSTACKSIZE 1 - -/* Define to 1 if you have the `pthread_attr_setprio' function. */ -/* #undef _EVENT_HAVE_PTHREAD_ATTR_SETPRIO */ - -/* Define to 1 if you have the `pthread_attr_setschedparam' function. */ -#define _EVENT_HAVE_PTHREAD_ATTR_SETSCHEDPARAM 1 - -/* pthread_attr_setscope */ -#define _EVENT_HAVE_PTHREAD_ATTR_SETSCOPE 1 - -/* Define to 1 if you have the `pthread_attr_setstacksize' function. */ -#define _EVENT_HAVE_PTHREAD_ATTR_SETSTACKSIZE 1 - -/* Define to 1 if you have the `pthread_condattr_create' function. */ -/* #undef _EVENT_HAVE_PTHREAD_CONDATTR_CREATE */ - -/* Define to 1 if you have the `pthread_getsequence_np' function. */ -/* #undef _EVENT_HAVE_PTHREAD_GETSEQUENCE_NP */ - -/* Define to 1 if you have the `pthread_init' function. */ -/* #undef _EVENT_HAVE_PTHREAD_INIT */ - -/* Define to 1 if you have the `pthread_key_delete' function. */ -#define _EVENT_HAVE_PTHREAD_KEY_DELETE 1 - -/* Define to 1 if you have the `pthread_rwlock_rdlock' function. */ -#define _EVENT_HAVE_PTHREAD_RWLOCK_RDLOCK 1 - -/* Define to 1 if you have the `pthread_setprio' function. */ -/* #undef _EVENT_HAVE_PTHREAD_SETPRIO */ - -/* Define to 1 if you have the `pthread_setprio_np' function. */ -/* #undef _EVENT_HAVE_PTHREAD_SETPRIO_NP */ - -/* Define to 1 if you have the `pthread_setschedparam' function. */ -#define _EVENT_HAVE_PTHREAD_SETSCHEDPARAM 1 - -/* Define to 1 if you have the `pthread_setschedprio' function. */ -#define _EVENT_HAVE_PTHREAD_SETSCHEDPRIO 1 - -/* Define to 1 if you have the `pthread_sigmask' function. */ -#define _EVENT_HAVE_PTHREAD_SIGMASK 1 - -/* pthread_yield function with one argument */ -/* #undef _EVENT_HAVE_PTHREAD_YIELD_ONE_ARG */ - -/* pthread_yield that doesn't take any arguments */ -#define _EVENT_HAVE_PTHREAD_YIELD_ZERO_ARG 1 - -/* Define to 1 if you have the `putenv' function. */ -#define _EVENT_HAVE_PUTENV 1 - -/* Define to 1 if you have the <pwd.h> header file. */ -#define _EVENT_HAVE_PWD_H 1 - -/* If we want to have query cache */ -#define _EVENT_HAVE_QUERY_CACHE 1 - -/* POSIX readdir_r */ -#define _EVENT_HAVE_READDIR_R 1 - -/* Define to 1 if you have the `readlink' function. */ -#define _EVENT_HAVE_READLINK 1 - -/* Define to 1 if you have the `realpath' function. */ -#define _EVENT_HAVE_REALPATH 1 - -/* Define to 1 if you have the `regcomp' function. */ -#define _EVENT_HAVE_REGCOMP 1 - -/* Define to 1 if you have the `rename' function. */ -#define _EVENT_HAVE_RENAME 1 - -/* Define to 1 if system calls automatically restart after interruption by a - signal. */ -#define _EVENT_HAVE_RESTARTABLE_SYSCALLS 1 - -/* Define to 1 if you have the `re_comp' function. */ -#define _EVENT_HAVE_RE_COMP 1 - -/* Define to 1 if you have the `rint' function. */ -#define _EVENT_HAVE_RINT 1 - -/* RTree keys */ -#define _EVENT_HAVE_RTREE_KEYS 1 - -/* Define to 1 if you have the `rwlock_init' function. */ -/* #undef _EVENT_HAVE_RWLOCK_INIT */ - -/* Define to 1 if you have the <sched.h> header file. */ -#define _EVENT_HAVE_SCHED_H 1 - -/* Define to 1 if you have the `sched_yield' function. */ -#define _EVENT_HAVE_SCHED_YIELD 1 - -/* Define to 1 if you have the `select' function. */ -#define _EVENT_HAVE_SELECT 1 - -/* Define to 1 if you have the <select.h> header file. */ -/* #undef _EVENT_HAVE_SELECT_H */ - -/* Define to 1 if you have the <semaphore.h> header file. */ -#define _EVENT_HAVE_SEMAPHORE_H 1 - -/* Define to 1 if you have the `setenv' function. */ -#define _EVENT_HAVE_SETENV 1 - -/* Define if F_SETFD is defined in <fcntl.h> */ -#define _EVENT_HAVE_SETFD 1 - -/* Define to 1 if you have the `setlocale' function. */ -#define _EVENT_HAVE_SETLOCALE 1 - -/* Define to 1 if you have the `setupterm' function. */ -/* #undef _EVENT_HAVE_SETUPTERM */ - -/* Define to 1 if you have the `shmat' function. */ -#define _EVENT_HAVE_SHMAT 1 - -/* Define to 1 if you have the `shmctl' function. */ -#define _EVENT_HAVE_SHMCTL 1 - -/* Define to 1 if you have the `shmdt' function. */ -#define _EVENT_HAVE_SHMDT 1 - -/* Define to 1 if you have the `shmget' function. */ -#define _EVENT_HAVE_SHMGET 1 - -/* Define to 1 if you have the `sigaction' function. */ -#define _EVENT_HAVE_SIGACTION 1 - -/* Define to 1 if you have the `sigaddset' function. */ -#define _EVENT_HAVE_SIGADDSET 1 - -/* Define to 1 if you have the `sigemptyset' function. */ -#define _EVENT_HAVE_SIGEMPTYSET 1 - -/* Define to 1 if you have the `sighold' function. */ -#define _EVENT_HAVE_SIGHOLD 1 - -/* Define to 1 if you have the `signal' function. */ -#define _EVENT_HAVE_SIGNAL 1 - -/* Define to 1 if you have the <signal.h> header file. */ -#define _EVENT_HAVE_SIGNAL_H 1 - -/* Define to 1 if you have the `sigset' function. */ -#define _EVENT_HAVE_SIGSET 1 - -/* Define to 1 if the system has the type `sigset_t'. */ -#define _EVENT_HAVE_SIGSET_T 1 - -/* Define to 1 if you have the `sigthreadmask' function. */ -/* #undef _EVENT_HAVE_SIGTHREADMASK */ - -/* POSIX sigwait */ -#define _EVENT_HAVE_SIGWAIT 1 - -/* Define to 1 if the system has the type `size_t'. */ -#define _EVENT_HAVE_SIZE_T 1 - -/* Define to 1 if you have the `sleep' function. */ -#define _EVENT_HAVE_SLEEP 1 - -/* Define to 1 if you have the `snprintf' function. */ -#define _EVENT_HAVE_SNPRINTF 1 - -/* Define to 1 if you have the `socket' function. */ -#define _EVENT_HAVE_SOCKET 1 - -/* Solaris define gethostbyaddr_r with 7 arguments. glibc2 defines this with 8 - arguments */ -/* #undef _EVENT_HAVE_SOLARIS_STYLE_GETHOST */ - -/* Spatial extentions */ -#define _EVENT_HAVE_SPATIAL 1 - -/* Define to 1 if you have the <stdarg.h> header file. */ -#define _EVENT_HAVE_STDARG_H 1 - -/* Define to 1 if you have the <stddef.h> header file. */ -#define _EVENT_HAVE_STDDEF_H 1 - -/* Define to 1 if you have the <stdint.h> header file. */ -#define _EVENT_HAVE_STDINT_H 1 - -/* Define to 1 if you have the <stdlib.h> header file. */ -#define _EVENT_HAVE_STDLIB_H 1 - -/* Define to 1 if you have the `stpcpy' function. */ -#define _EVENT_HAVE_STPCPY 1 - -/* Define to 1 if you have the `strcasecmp' function. */ -#define _EVENT_HAVE_STRCASECMP 1 - -/* Define to 1 if you have the `strcoll' function. */ -#define _EVENT_HAVE_STRCOLL 1 - -/* Define to 1 if you have the `strdup' function. */ -#define _EVENT_HAVE_STRDUP 1 - -/* Define to 1 if you have the `strerror' function. */ -#define _EVENT_HAVE_STRERROR 1 - -/* Define to 1 if you have the <strings.h> header file. */ -#define _EVENT_HAVE_STRINGS_H 1 - -/* Define to 1 if you have the <string.h> header file. */ -#define _EVENT_HAVE_STRING_H 1 - -/* Define to 1 if you have the `strlcat' function. */ -/* #undef _EVENT_HAVE_STRLCAT */ - -/* Define to 1 if you have the `strlcpy' function. */ -/* #undef _EVENT_HAVE_STRLCPY */ - -/* Define to 1 if you have the `strnlen' function. */ -#define _EVENT_HAVE_STRNLEN 1 - -/* Define to 1 if you have the `strpbrk' function. */ -#define _EVENT_HAVE_STRPBRK 1 - -/* Define to 1 if you have the `strsep' function. */ -#define _EVENT_HAVE_STRSEP 1 - -/* Define to 1 if you have the `strsignal' function. */ -#define _EVENT_HAVE_STRSIGNAL 1 - -/* Define to 1 if you have the `strstr' function. */ -#define _EVENT_HAVE_STRSTR 1 - -/* Define to 1 if you have the `strtok_r' function. */ -#define _EVENT_HAVE_STRTOK_R 1 - -/* Define to 1 if you have the `strtol' function. */ -#define _EVENT_HAVE_STRTOL 1 - -/* Define to 1 if you have the `strtoll' function. */ -#define _EVENT_HAVE_STRTOLL 1 - -/* Define to 1 if you have the `strtoul' function. */ -#define _EVENT_HAVE_STRTOUL 1 - -/* Define to 1 if you have the `strtoull' function. */ -#define _EVENT_HAVE_STRTOULL 1 - -/* Define to 1 if the system has the type `struct in6_addr'. */ -#define _EVENT_HAVE_STRUCT_IN6_ADDR 1 - -/* Define to 1 if `st_rdev' is member of `struct stat'. */ -#define _EVENT_HAVE_STRUCT_STAT_ST_RDEV 1 - -/* Define to 1 if your `struct stat' has `st_rdev'. Deprecated, use - `HAVE_STRUCT_STAT_ST_RDEV' instead. */ -#define _EVENT_HAVE_ST_RDEV 1 - -/* Define to 1 if you have the <synch.h> header file. */ -/* #undef _EVENT_HAVE_SYNCH_H */ - -/* Define to 1 if you have the <sys/cdefs.h> header file. */ -#define _EVENT_HAVE_SYS_CDEFS_H 1 - -/* Define to 1 if you have the <sys/devpoll.h> header file. */ -/* #undef _EVENT_HAVE_SYS_DEVPOLL_H */ - -/* Define to 1 if you have the <sys/dir.h> header file. */ -#define _EVENT_HAVE_SYS_DIR_H 1 - -/* Define to 1 if you have the <sys/epoll.h> header file. */ -#define _EVENT_HAVE_SYS_EPOLL_H 1 - -/* Define to 1 if you have the <sys/event.h> header file. */ -/* #undef _EVENT_HAVE_SYS_EVENT_H */ - -/* Define to 1 if you have the <sys/file.h> header file. */ -#define _EVENT_HAVE_SYS_FILE_H 1 - -/* Define to 1 if you have the <sys/ioctl.h> header file. */ -#define _EVENT_HAVE_SYS_IOCTL_H 1 - -/* Define to 1 if you have the <sys/ipc.h> header file. */ -#define _EVENT_HAVE_SYS_IPC_H 1 - -/* Define to 1 if you have the <sys/malloc.h> header file. */ -/* #undef _EVENT_HAVE_SYS_MALLOC_H */ - -/* Define to 1 if you have the <sys/mman.h> header file. */ -#define _EVENT_HAVE_SYS_MMAN_H 1 - -/* Define to 1 if you have the <sys/ndir.h> header file. */ -/* #undef _EVENT_HAVE_SYS_NDIR_H */ - -/* Define to 1 if you have the <sys/param.h> header file. */ -#define _EVENT_HAVE_SYS_PARAM_H 1 - -/* Define to 1 if you have the <sys/prctl.h> header file. */ -#define _EVENT_HAVE_SYS_PRCTL_H 1 - -/* Define to 1 if you have the <sys/ptem.h> header file. */ -/* #undef _EVENT_HAVE_SYS_PTEM_H */ - -/* Define to 1 if you have the <sys/pte.h> header file. */ -/* #undef _EVENT_HAVE_SYS_PTE_H */ - -/* Define to 1 if you have the <sys/queue.h> header file. */ -#define _EVENT_HAVE_SYS_QUEUE_H 1 - -/* Define to 1 if you have the <sys/resource.h> header file. */ -#define _EVENT_HAVE_SYS_RESOURCE_H 1 - -/* Define to 1 if you have the <sys/select.h> header file. */ -#define _EVENT_HAVE_SYS_SELECT_H 1 - -/* Define to 1 if you have the <sys/shm.h> header file. */ -#define _EVENT_HAVE_SYS_SHM_H 1 - -/* Define to 1 if you have the <sys/socket.h> header file. */ -#define _EVENT_HAVE_SYS_SOCKET_H 1 - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#define _EVENT_HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the <sys/stream.h> header file. */ -/* #undef _EVENT_HAVE_SYS_STREAM_H */ - -/* Define to 1 if you have the <sys/timeb.h> header file. */ -#define _EVENT_HAVE_SYS_TIMEB_H 1 - -/* Define to 1 if you have the <sys/time.h> header file. */ -#define _EVENT_HAVE_SYS_TIME_H 1 - -/* Define to 1 if you have the <sys/types.h> header file. */ -#define _EVENT_HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the <sys/un.h> header file. */ -#define _EVENT_HAVE_SYS_UN_H 1 - -/* Define to 1 if you have the <sys/utime.h> header file. */ -/* #undef _EVENT_HAVE_SYS_UTIME_H */ - -/* Define to 1 if you have the <sys/vadvise.h> header file. */ -/* #undef _EVENT_HAVE_SYS_VADVISE_H */ - -/* Define to 1 if you have the <sys/wait.h> header file. */ -#define _EVENT_HAVE_SYS_WAIT_H 1 - -/* Define if TAILQ_FOREACH is defined in <sys/queue.h> */ -#define _EVENT_HAVE_TAILQFOREACH 1 - -/* Define to 1 if you have the `tcgetattr' function. */ -#define _EVENT_HAVE_TCGETATTR 1 - -/* Define to 1 if you have the `tell' function. */ -/* #undef _EVENT_HAVE_TELL */ - -/* Define to 1 if you have the `tempnam' function. */ -#define _EVENT_HAVE_TEMPNAM 1 - -/* Define to 1 if you have the <termbits.h> header file. */ -/* #undef _EVENT_HAVE_TERMBITS_H */ - -/* Define to 1 if you have the <termcap.h> header file. */ -#define _EVENT_HAVE_TERMCAP_H 1 - -/* Define to 1 if you have the <termios.h> header file. */ -#define _EVENT_HAVE_TERMIOS_H 1 - -/* Define to 1 if you have the <termio.h> header file. */ -#define _EVENT_HAVE_TERMIO_H 1 - -/* Define to 1 if you have the <term.h> header file. */ -#define _EVENT_HAVE_TERM_H 1 - -/* Define to 1 if you have the `thr_setconcurrency' function. */ -/* #undef _EVENT_HAVE_THR_SETCONCURRENCY */ - -/* Define to 1 if you have the `thr_yield' function. */ -/* #undef _EVENT_HAVE_THR_YIELD */ - -/* Define if timeradd is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERADD 1 - -/* Define if timerclear is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERCLEAR 1 - -/* Define if timercmp is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERCMP 1 - -/* Define if timerisset is defined in <sys/time.h> */ -#define _EVENT_HAVE_TIMERISSET 1 - -/* Timespec has a ts_sec instead of tv_sev */ -/* #undef _EVENT_HAVE_TIMESPEC_TS_SEC */ - -/* Have the tzname variable */ -#define _EVENT_HAVE_TZNAME 1 - -/* national Unicode collations */ -#define _EVENT_HAVE_UCA_COLLATIONS 1 - -/* Define to 1 if the system has the type `uchar'. */ -/* #undef _EVENT_HAVE_UCHAR */ - -/* Define to 1 if the system has the type `uint'. */ -#define _EVENT_HAVE_UINT 1 - -/* Define to 1 if the system has the type `uint16'. */ -/* #undef _EVENT_HAVE_UINT16 */ - -/* Define to 1 if the system has the type `uint16_t'. */ -#define _EVENT_HAVE_UINT16_T 1 - -/* Define to 1 if the system has the type `uint32'. */ -/* #undef _EVENT_HAVE_UINT32 */ - -/* Define to 1 if the system has the type `uint32_t'. */ -#define _EVENT_HAVE_UINT32_T 1 - -/* Define to 1 if the system has the type `uint64'. */ -/* #undef _EVENT_HAVE_UINT64 */ - -/* Define to 1 if the system has the type `uint64_t'. */ -#define _EVENT_HAVE_UINT64_T 1 - -/* Define to 1 if the system has the type `uint8'. */ -/* #undef _EVENT_HAVE_UINT8 */ - -/* Define to 1 if the system has the type `uint8_t'. */ -#define _EVENT_HAVE_UINT8_T 1 - -/* Define to 1 if the system has the type `ulong'. */ -#define _EVENT_HAVE_ULONG 1 - -/* Define to 1 if you have the <unistd.h> header file. */ -#define _EVENT_HAVE_UNISTD_H 1 - -/* Have UnixWare 7 (or similar) almost-POSIX threading library */ -/* #undef _EVENT_HAVE_UNIXWARE7_THREADS */ - -/* sighold() is present and usable */ -/* #undef _EVENT_HAVE_USG_SIGHOLD */ - -/* certain Japanese customer */ -/* #undef _EVENT_HAVE_UTF8_GENERAL_CS */ - -/* Define to 1 if you have the <utime.h> header file. */ -#define _EVENT_HAVE_UTIME_H 1 - -/* Define to 1 if `utime(file, NULL)' sets file's timestamp to the present. */ -#define _EVENT_HAVE_UTIME_NULL 1 - -/* Define to 1 if the system has the type `u_int32_t'. */ -#define _EVENT_HAVE_U_INT32_T 1 - -/* Define to 1 if you have the <varargs.h> header file. */ -/* #undef _EVENT_HAVE_VARARGS_H */ - -/* Define to 1 if you have the `vasprintf' function. */ -#define _EVENT_HAVE_VASPRINTF 1 - -/* Define to 1 if you have the `vidattr' function. */ -/* #undef _EVENT_HAVE_VIDATTR */ - -/* Define to enable buffered read. This works only if syscalls read/recv - return as soon as there is some data in the kernel buffer, no matter how - big the given buffer is. */ -#define _EVENT_HAVE_VIO_READ_BUFF 1 - -/* Found vis.h and the strvis() function */ -/* #undef _EVENT_HAVE_VIS_H */ - -/* Define to 1 if you have the `vprintf' function. */ -#define _EVENT_HAVE_VPRINTF 1 - -/* Define to 1 if you have the <wchar.h> header file. */ -#define _EVENT_HAVE_WCHAR_H 1 - -/* Define if you check wcsdup */ -#define _EVENT_HAVE_WCSDUP - -/* Define if you have wctomb */ -#define _EVENT_HAVE_WCTOMB - -/* Define to 1 if you have the <wctype.h> header file. */ -#define _EVENT_HAVE_WCTYPE_H 1 - -/* Define if you have wcwidth */ -#define _EVENT_HAVE_WCWIDTH - -/* Define to 1 if compiler supports weak symbol attribute. */ -#define _EVENT_HAVE_WEAK_SYMBOL 1 - -/* Define if kqueue works correctly with pipes */ -/* #undef _EVENT_HAVE_WORKING_KQUEUE */ - -/* Define to 1 if you have the <xfs/xfs.h> header file. */ -/* #undef _EVENT_HAVE_XFS_XFS_H */ - -/* Defined by configure. Using yaSSL for SSL. */ -#define _EVENT_HAVE_YASSL 1 - -/* Define if /proc/meminfo shows the huge page size (Linux only) */ -#define _EVENT_HUGETLB_USE_PROC_MEMINFO 1 - -/* Define if you have -lwrap */ -/* #undef _EVENT_LIBWRAP */ - -/* Machine type name, eg sparc */ -#define _EVENT_MACHINE_TYPE "x86_64" - -/* Maximum number of indexes per table */ -#define _EVENT_MAX_INDEXES 64 - -/* Define the default charset name */ -#define _EVENT_MYSQL_DEFAULT_CHARSET_NAME "latin1" - -/* Define the default charset name */ -#define _EVENT_MYSQL_DEFAULT_COLLATION_NAME "latin1_swedish_ci" - -/* Assume single-CPU mode, no concurrency */ -/* #undef _EVENT_MY_ATOMIC_MODE_DUMMY */ - -/* Use pthread rwlocks for atomic ops */ -/* #undef _EVENT_MY_ATOMIC_MODE_RWLOCKS */ - -/* Define to 1 if you want to use fast mutexes */ -/* #undef _EVENT_MY_PTHREAD_FASTMUTEX */ - -/* Including Ndb Cluster DB sci transporter */ -/* #undef _EVENT_NDB_SCI_TRANSPORTER */ - -/* Including Ndb Cluster DB shared memory transporter */ -/* #undef _EVENT_NDB_SHM_TRANSPORTER */ - -/* NDB build version */ -/* #undef _EVENT_NDB_VERSION_BUILD */ - -/* NDB major version */ -/* #undef _EVENT_NDB_VERSION_MAJOR */ - -/* NDB minor version */ -/* #undef _EVENT_NDB_VERSION_MINOR */ - -/* NDB status version */ -/* #undef _EVENT_NDB_VERSION_STATUS */ - -/* Name of package */ -#define _EVENT_PACKAGE "mysql" - -/* Define to the address where bug reports for this package should be sent. */ -#define _EVENT_PACKAGE_BUGREPORT "" - -/* Define to the full name of this package. */ -#define _EVENT_PACKAGE_NAME "" - -/* Define to the full name and version of this package. */ -#define _EVENT_PACKAGE_STRING "" - -/* Define to the one symbol short name of this package. */ -#define _EVENT_PACKAGE_TARNAME "" - -/* Define to the version of this package. */ -#define _EVENT_PACKAGE_VERSION "" - -/* mysql client protocol version */ -#define _EVENT_PROTOCOL_VERSION 10 - -/* qsort returns void */ -#define _EVENT_QSORT_TYPE_IS_VOID 1 - -/* The return type of qsort (int or void). */ -#define _EVENT_RETQSORTTYPE void - -/* Define as the return type of signal handlers (`int' or `void'). */ -#define _EVENT_RETSIGTYPE void - -/* The size of `char', as computed by sizeof. */ -#define _EVENT_SIZEOF_CHAR 1 - -/* The size of `char*', as computed by sizeof. */ -#define _EVENT_SIZEOF_CHARP 8 - -/* The size of `int', as computed by sizeof. */ -#define _EVENT_SIZEOF_INT 4 - -/* The size of `long', as computed by sizeof. */ -#define _EVENT_SIZEOF_LONG 8 - -/* The size of `long long', as computed by sizeof. */ -#define _EVENT_SIZEOF_LONG_LONG 8 - -/* The size of `off_t', as computed by sizeof. */ -#define _EVENT_SIZEOF_OFF_T 8 - -/* The size of `short', as computed by sizeof. */ -#define _EVENT_SIZEOF_SHORT 2 - -/* The size of `void*', as computed by sizeof. */ -#define _EVENT_SIZEOF_VOIDP 8 - -/* The base type of the last arg to accept */ -#define _EVENT_SOCKET_SIZE_TYPE socklen_t - -/* Last argument to get/setsockopt */ -/* #undef _EVENT_SOCKOPT_OPTLEN_TYPE */ - -/* Broken sprintf */ -/* #undef _EVENT_SPRINTF_RETURNS_GARBAGE */ - -/* POSIX sprintf */ -#define _EVENT_SPRINTF_RETURNS_INT 1 - -/* Broken sprintf */ -/* #undef _EVENT_SPRINTF_RETURNS_PTR */ - -/* If using the C implementation of alloca, define if you know the - direction of stack growth for your system; otherwise it will be - automatically deduced at runtime. - STACK_DIRECTION > 0 => grows toward higher addresses - STACK_DIRECTION < 0 => grows toward lower addresses - STACK_DIRECTION = 0 => direction of growth unknown */ -#define _EVENT_STACK_DIRECTION -1 - -/* Define to 1 if the `S_IS*' macros in <sys/stat.h> do not work properly. */ -/* #undef _EVENT_STAT_MACROS_BROKEN */ - -/* Define to 1 if you have the ANSI C header files. */ -#define _EVENT_STDC_HEADERS 1 - -/* d_ino member present in struct dirent */ -#define _EVENT_STRUCT_DIRENT_HAS_D_INO 1 - -/* d_namlen member present in struct dirent */ -/* #undef _EVENT_STRUCT_DIRENT_HAS_D_NAMLEN */ - -/* The struct rlimit type to use with setrlimit */ -#define _EVENT_STRUCT_RLIMIT struct rlimit - -/* Name of system, eg sun-solaris */ -#define _EVENT_SYSTEM_TYPE "suse-linux-gnu" - -/* Whether we build for Linux */ -#define _EVENT_TARGET_OS_LINUX 1 - -/* Define if you want to have threaded code. This may be undef on client code - */ -#define _EVENT_THREAD 1 - -/* Should the client be thread safe */ -#define _EVENT_THREAD_SAFE_CLIENT 1 - -/* Define to 1 if time_t is unsigned */ -/* #undef _EVENT_TIME_T_UNSIGNED */ - -/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */ -#define _EVENT_TIME_WITH_SYS_TIME 1 - -/* declaration of TIOCSTAT in sys/ioctl.h */ -/* #undef _EVENT_TIOCSTAT_IN_SYS_IOCTL */ - -/* Define to 1 if your <sys/time.h> declares `struct tm'. */ -/* #undef _EVENT_TM_IN_SYS_TIME */ - -/* used libedit interface (can we dereference result of - rl_completion_entry_function) */ -/* #undef _EVENT_USE_LIBEDIT_INTERFACE */ - -/* Maria is used for internal temporary tables */ -#define _EVENT_USE_MARIA_FOR_TMP_TABLES 1 - -/* Use multi-byte character routines */ -#define _EVENT_USE_MB 1 - -/* */ -#define _EVENT_USE_MB_IDENT 1 - -/* Needs to use mysys_new helpers */ -#define _EVENT_USE_MYSYS_NEW 1 - -/* used new readline interface (are rl_completion_func_t and - rl_compentry_func_t defined) */ -#define _EVENT_USE_NEW_READLINE_INTERFACE 1 - -/* the pstack backtrace library */ -/* #undef _EVENT_USE_PSTACK */ - -/* Version number of package */ -#define _EVENT_VERSION "5.1.32-maria-beta" - -/* sighandler type is void (*signal ()) (); */ -#define _EVENT_VOID_SIGHANDLER 1 - -/* Include Archive Storage Engine into mysqld */ -#define _EVENT_WITH_ARCHIVE_STORAGE_ENGINE 1 - -/* Include Basic Write-only Read-never tables into mysqld */ -#define _EVENT_WITH_BLACKHOLE_STORAGE_ENGINE 1 - -/* Include Stores tables in text CSV format into mysqld */ -#define _EVENT_WITH_CSV_STORAGE_ENGINE 1 - -/* Include Example for Storage Engines for developers into mysqld */ -/* #undef _EVENT_WITH_EXAMPLE_STORAGE_ENGINE */ - -/* Include Connects to tables on remote MySQL servers into mysqld */ -#define _EVENT_WITH_FEDERATED_STORAGE_ENGINE 1 - -/* Include Volatile memory based tables into mysqld */ -#define _EVENT_WITH_HEAP_STORAGE_ENGINE 1 - -/* Include Transactional Tables using InnoDB into mysqld */ -#define _EVENT_WITH_INNOBASE_STORAGE_ENGINE 1 - -/* Include Crash-safe tables with MyISAM heritage into mysqld */ -#define _EVENT_WITH_MARIA_STORAGE_ENGINE 1 - -/* Include Merge multiple MySQL tables into one into mysqld */ -#define _EVENT_WITH_MYISAMMRG_STORAGE_ENGINE 1 - -/* Include Traditional non-transactional MySQL tables into mysqld */ -#define _EVENT_WITH_MYISAM_STORAGE_ENGINE 1 - -/* Include High Availability Clustered tables into mysqld */ -/* #undef _EVENT_WITH_NDBCLUSTER_STORAGE_ENGINE */ - -/* Including Ndb Cluster Binlog */ -/* #undef _EVENT_WITH_NDB_BINLOG */ - -/* Include MySQL Partitioning Support into mysqld */ -#define _EVENT_WITH_PARTITION_STORAGE_ENGINE 1 - -/* Define to 1 if your processor stores words with the most significant byte - first (like Motorola and SPARC, unlike Intel and VAX). */ -/* #undef _EVENT_WORDS_BIGENDIAN */ - -/* Number of bits in a file offset, on hosts where this is settable. */ -/* #undef _EVENT__FILE_OFFSET_BITS */ - -/* makes fseeko etc. visible, on some hosts. */ -/* #undef _EVENT__LARGEFILE_SOURCE */ - -/* Large files support on AIX-style hosts. */ -/* #undef _EVENT__LARGE_FILES */ - -/* Define to appropriate substitue if compiler doesnt have __func__ */ -/* #undef _EVENT___func__ */ - -/* Define to empty if `const' does not conform to ANSI C. */ -/* #undef _EVENT_const */ - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef _EVENT___cplusplus -/* #undef _EVENT_inline */ -#endif - -/* Define to `long int' if <sys/types.h> does not define. */ -/* #undef _EVENT_off_t */ - -/* Define to `int' if <sys/types.h> does not define. */ -/* #undef _EVENT_pid_t */ - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -/* #undef _EVENT_size_t */ - -/* Define to unsigned int if you dont have it */ -/* #undef _EVENT_socklen_t */ -#endif === modified file 'sql/mysqld.cc' --- a/sql/mysqld.cc 2009-03-12 22:27:35 +0000 +++ b/sql/mysqld.cc 2009-03-13 13:31:54 +0000 @@ -1613,6 +1613,7 @@ static my_socket activate_tcp_port(uint uint retry; DBUG_ENTER("activate_tcp_port"); DBUG_PRINT("enter",("port: %u", port)); + LINT_INIT(ret); ip_sock = socket(AF_INET, SOCK_STREAM, 0); if (ip_sock == INVALID_SOCKET) @@ -1679,7 +1680,6 @@ static void network_init(void) #endif int arg=1; DBUG_ENTER("network_init"); - LINT_INIT(ret); if (thread_scheduler.init()) unireg_abort(1); /* purecov: inspected */

1 0

[Maria-developers] bzr commit into MariaDB 5.1, with Maria 1.5:maria branch (knielsen:2682)
by knielsen＠knielsen-hq.org 13 Mar '09

13 Mar '09

#At lp:maria 2682 knielsen(a)knielsen-hq.org 2009-03-13 Add testing of extra port for pool-of-threads. The additional test uses up all threads in the pool with SELECT SLEEP(), and tests that this makes normal connections block, but connections on the extra port still work. Add --connect-timeout option to mysqltest program. Add facility for --extra-port option to ConfigFactory. Fix regexp typo in ConfigFactory.pm removed: mysql-test/t/pool_of_threads-master.opt added: mysql-test/t/pool_of_threads.cnf modified: client/mysqltest.cc mysql-test/lib/My/ConfigFactory.pm mysql-test/r/pool_of_threads.result mysql-test/t/pool_of_threads.test === modified file 'client/mysqltest.cc' --- a/client/mysqltest.cc 2009-02-19 09:01:25 +0000 +++ b/client/mysqltest.cc 2009-03-13 15:13:29 +0000 @@ -76,7 +76,7 @@ enum { OPT_SKIP_SAFEMALLOC=OPT_MAX_CLIENT_OPTION, OPT_PS_PROTOCOL, OPT_SP_PROTOCOL, OPT_CURSOR_PROTOCOL, OPT_VIEW_PROTOCOL, OPT_MAX_CONNECT_RETRIES, OPT_MARK_PROGRESS, OPT_LOG_DIR, OPT_TAIL_LINES, - OPT_GLOBAL_SUBST + OPT_GLOBAL_SUBST, OPT_MY_CONNECT_TIMEOUT }; static int record= 0, opt_sleep= -1; @@ -87,6 +87,7 @@ const char *opt_include= 0, *opt_charset static int opt_port= 0; static int opt_max_connect_retries; static my_bool opt_compress= 0, silent= 0, verbose= 0; +static int opt_connect_timeout= -1; static my_bool debug_info_flag= 0, debug_check_flag= 0; static my_bool tty_password= 0; static my_bool opt_mark_progress= 0; @@ -4952,6 +4953,9 @@ void do_connect(struct st_command *comma if (opt_charsets_dir) mysql_options(&con_slot->mysql, MYSQL_SET_CHARSET_DIR, opt_charsets_dir); + if (opt_connect_timeout >= 0) + mysql_options(&con_slot->mysql, MYSQL_OPT_CONNECT_TIMEOUT, + &opt_connect_timeout); #ifdef HAVE_OPENSSL if (opt_use_ssl || con_ssl) @@ -5692,6 +5696,9 @@ static struct my_option my_long_options[ #include "sslopt-longopts.h" {"test-file", 'x', "Read test from/in this file (default stdin).", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, + {"connect-timeout", OPT_MY_CONNECT_TIMEOUT, "Client connection timeout", + (uchar**) &opt_connect_timeout, (uchar**) &opt_connect_timeout, 0, + GET_INT, REQUIRED_ARG, -1, -1, 0, 0, 0, 0}, {"timer-file", 'm', "File where the timing in micro seconds is stored.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"tmpdir", 't', "Temporary directory where sockets are put.", === modified file 'mysql-test/lib/My/ConfigFactory.pm' --- a/mysql-test/lib/My/ConfigFactory.pm 2009-02-15 10:58:34 +0000 +++ b/mysql-test/lib/My/ConfigFactory.pm 2009-03-13 15:13:29 +0000 @@ -202,6 +202,7 @@ my @mysqld_rules= { 'pid-file' => \&fix_pidfile }, { '#host' => \&fix_host }, { 'port' => \&fix_port }, + { '#extra-port' => \&fix_port }, { 'socket' => \&fix_socket }, { 'log-error' => \&fix_log_error }, { 'general-log' => sub { return 1; } }, @@ -353,7 +354,7 @@ sub post_check_client_group { sub post_check_client_groups { my ($self, $config)= @_; - my $first_mysqld= $config->first_like('mysqld.'); + my $first_mysqld= $config->first_like('mysqld\.'); return unless $first_mysqld; === modified file 'mysql-test/r/pool_of_threads.result' --- a/mysql-test/r/pool_of_threads.result 2009-03-12 22:27:35 +0000 +++ b/mysql-test/r/pool_of_threads.result 2009-03-13 15:13:29 +0000 @@ -2151,3 +2151,20 @@ Privat (Private Nutzung) Mobilfunk Warnings: Warning 1052 Column 'kundentyp' in group statement is ambiguous drop table t1; +SELECT sleep(5); +SELECT sleep(5); +connect(localhost,root,,test,12500,/home/knielsen/devel/maria/my/work-1.5/mysql-test/var/tmp/mysqld.1.sock); +# -- Success: more than --thread-pool-size normal connections not possible +sleep(5) +0 +sleep(5) +0 +SELECT sleep(5); +SELECT sleep(5); +SELECT 'Connection on extra port ok'; +Connection on extra port ok +Connection on extra port ok +sleep(5) +0 +sleep(5) +0 === removed file 'mysql-test/t/pool_of_threads-master.opt' --- a/mysql-test/t/pool_of_threads-master.opt 2009-03-12 22:27:35 +0000 +++ b/mysql-test/t/pool_of_threads-master.opt 1970-01-01 00:00:00 +0000 @@ -1 +0,0 @@ ---test-ignore-wrong-options --thread-handling=pool-of-threads === added file 'mysql-test/t/pool_of_threads.cnf' --- a/mysql-test/t/pool_of_threads.cnf 1970-01-01 00:00:00 +0000 +++ b/mysql-test/t/pool_of_threads.cnf 2009-03-13 15:13:29 +0000 @@ -0,0 +1,13 @@ +!include include/default_my.cnf + +[mysqld.1] +test-ignore-wrong-options +thread-handling= pool-of-threads +thread_pool_size= 2 +extra-port= @mysqld.1.#extra-port + +[client] +connect-timeout= 2 + +[ENV] +MASTER_EXTRA_PORT= @mysqld.1.extra-port === modified file 'mysql-test/t/pool_of_threads.test' --- a/mysql-test/t/pool_of_threads.test 2009-03-12 22:27:35 +0000 +++ b/mysql-test/t/pool_of_threads.test 2009-03-13 15:13:29 +0000 @@ -5,3 +5,55 @@ -- source include/common-tests.inc + +# Test that we cannot have more simultaneous connections than +# --thread-pool-size on the standard port, but _can_ have additional +# connections on the extra port. + +# First set two connections running, and check that extra connection +# on normal port fails due to--thread-pool-size=2 +connection default; +send SELECT sleep(5); + +connect(con2,localhost,root,,); +connection con2; +send SELECT sleep(5); +--sleep 1 + +--disable_abort_on_error +--disable_result_log +connect(con3,localhost,root,,); +--enable_result_log +--enable_abort_on_error +let $error = $mysql_errno; +if (!$error) +{ + --echo # -- Error: managed to establish more than --thread-pool-size connections +} +if ($error) +{ + --echo # -- Success: more than --thread-pool-size normal connections not possible +} + +connection default; +--reap +connection con2; +--reap + +# Now try again, but this time use the extra port to successfully connect. + +connection default; +send SELECT sleep(5); + +connection con2; +send SELECT sleep(5); +--sleep 1 + +connect(extracon,127.0.0.1,root,,test,$MASTER_EXTRA_PORT,); +connection extracon; +SELECT 'Connection on extra port ok'; + +connection default; +--reap +connection con2; +--reap

1 0

[Maria-developers] bzr commit into MariaDB 5.1, with Maria 1.5:maria branch (monty:2681)
by Michael Widenius 12 Mar '09

12 Mar '09

#At lp:maria based on revid:monty@askmonty.org-20090312222735-zopxqrhf3xjnfnyd 2681 Michael Widenius 2009-03-13 Added missing fix from last commit modified: mysql-test/r/merge-big.result === modified file 'mysql-test/r/merge-big.result' --- a/mysql-test/r/merge-big.result 2008-02-07 11:04:19 +0000 +++ b/mysql-test/r/merge-big.result 2009-03-12 22:29:39 +0000 @@ -7,7 +7,7 @@ drop table if exists t1,t2,t3,t4,t5,t6; CREATE TABLE t1 (c1 INT) ENGINE= MyISAM; LOCK TABLE t1 WRITE; # connection con1 -SET SESSION debug="+d,sleep_open_and_lock_after_open"; +SET GLOBAL debug="+d,sleep_open_and_lock_after_open"; INSERT INTO t1 VALUES (1); # connection default # Let INSERT go into thr_multi_lock(). @@ -21,6 +21,6 @@ SELECT * FROM t1; c1 UNLOCK TABLES; # connection con1 -SET SESSION debug="-d,sleep_open_and_lock_after_open"; +SET GLOBAL debug="-d,sleep_open_and_lock_after_open"; # connection default DROP TABLE t1;

1 0

[Maria-developers] bzr commit into mariadb 5.1, with Maria 1.5:maria branch (knielsen:2681)
by knielsen＠knielsen-hq.org 12 Mar '09

12 Mar '09

#At lp:maria 2681 knielsen(a)knielsen-hq.org 2009-03-12 Remove redundant code, probably bad automerge modified: mysql-test/lib/mtr_cases.pm === modified file 'mysql-test/lib/mtr_cases.pm' --- a/mysql-test/lib/mtr_cases.pm 2009-02-19 09:01:25 +0000 +++ b/mysql-test/lib/mtr_cases.pm 2009-03-12 14:38:43 +0000 @@ -799,15 +799,6 @@ sub collect_one_test_case { push(@{$tinfo->{'master_opt'}}, @$suite_opts); push(@{$tinfo->{'slave_opt'}}, @$suite_opts); - #----------------------------------------------------------------------- - # Check for test specific config file - #----------------------------------------------------------------------- - my $test_cnf_file= "$testdir/$tname.cnf"; - if ( -f $test_cnf_file) { - # Specifies the configuration file to use for this test - $tinfo->{'template_path'}= $test_cnf_file; - } - # ---------------------------------------------------------------------- # Check for test specific config file # ----------------------------------------------------------------------

1 0

[Maria-developers] Merge Analysis Daemon
by Kurt von Finck 12 Mar '09

12 Mar '09

lp:mad blog post by Tim Penhey. Seems interesting, but as I'm not writing code, I'm not sure how useful anyone would find this. http://how-bazaar.blogspot.com/2009/03/lpmad.html -- ./k kurt von finck http://www.mneptok.com public key: keyserver.ubuntu.com key id: 5229D26A fingerprint: 127A A484 ADBF A5AD E7FB 8CD2 8913 18F4 5229 D26A Music is the space between the notes. - Debussy

1 0

[Maria-developers] XtraDB merge
by Vadim Tkachenko 12 Mar '09

12 Mar '09

Hello, We had talk with Monty and I am going to propose merge for MariaDB-MySQL tree with InnoDB->XtraDB replacement. Merge only related to InnoDB, no other changes in main MySQL tree. Is that OK ? What is the best way to do that - just merge proposal ? Thanks, Vadim -- Vadim Tkachenko, CTO Percona Inc. ICQ: 369-510-335, Skype: vadimtk153, Phone +1-888-401-3403 MySQL Performance Blog - http://www.mysqlperformanceblog.com MySQL Consulting http://www.percona.com/ Attend the 2009 Percona Performance Conference April 22-23 - http://conferences.percona.com/

2 2

[Maria-developers] bzr commit into mariadb 5.1, with Maria 1.5:maria branch (knielsen:2680)
by knielsen＠knielsen-hq.org 12 Mar '09

12 Mar '09

#At lp:maria 2680 knielsen(a)knielsen-hq.org 2009-03-12 Make test --big, as it takes a _long_ time to run and only tests a single bug. modified: mysql-test/t/multi_update2.test === modified file 'mysql-test/t/multi_update2.test' --- a/mysql-test/t/multi_update2.test 2008-11-19 18:17:26 +0000 +++ b/mysql-test/t/multi_update2.test 2009-03-12 12:29:17 +0000 @@ -2,6 +2,9 @@ # Test of update statement that uses many tables. # +# This is a big test. +--source include/big_test.inc + --disable_warnings DROP TABLE IF EXISTS t1,t2; --enable_warnings

2 1

[Maria-developers] WL#3859: Plug-in Service API discussion
by Kristian Nielsen 12 Mar '09

12 Mar '09

While we were discussing a generic I/O layer in MariaDB, Sergei brought up the issue of WL#3859. This worklog carries a principal issue that I wanted to mention and discuss. Sergei, if I understood you correctly, you said that Sun MySQL would never take a new internal API that does not follow the WL#3859 framework. Correct? My understanding (which may or may not be correct) is that at least part of MySQL/Sun wants to develop the storage engine plugin layer (and all other plugin layers) to be a complete ABI, that is complete binary compatibility. So that the user can obtain a pre-compiled plugin independently and load it into the server without risk of crashing if plugin is compiled against a different source version of the server (but may get an error message if versions are incompatible). This basically means that all data and code needs to be exported via the WL#3859 framework, not using the system linker as is currently done. Advantages include - Avoiding crash on incompatible version is good. - Supports selling proprietary (non Open Source) plugins. - Works on Windows where the system linker cannot export symbols from executables (though there is a standard workaround of just compiling the server into a library that is called from a stub main executable). Disadvantages include - Supports selling proprietary (non Open Source) plugins (yes, can be an advantage or disadvantage depending on point-of-view ;-). - Will tend to discourage making desirable changes, as the procedure becomes more complicated (more work to track versioned API, less flexibitily in what C++ language constructs can be used); and there will be the desire to minimize binary incompatibility. It would be great if some of you still inside Sun could confirm or reject that this is the way things are. This raises at least two important questions for MariaDB: 1. Do we want to adopt this direction, moving all existing exposed server internals into this framework, and implementing any new ones within it as well? Or reserve the right to use old-style direct linking where it makes more sense? (We can of course in any case use the WL#3859 framework where it makes sense, the issue is the principle of using it for everything eventually). 2. It seems impossible that we can keep the Sun/MySQL API versions and the MariaDB API versions 100% synchronised. So how will we handle version compatibility (ie. Sun/MySQL version 0x0109 may be different from Maria version 0x0109 due to different paces of development)? Will all plugins need to track two different versions, one for Sun/MySQL and one for MariaDB? Or will we somehow coordinate between the two teams to avoid version conflicts? Any opinions? My personal opinion is that I am sceptical if this worklog is a good idea; most of the big projects of this kind that have been successful have used the old MySQL approach (Apache, Perl, the Linux kernel). Though I'm not 100% decided one way or the other yet. But more importantly I think we need to have a conscious decision on how to deal with this in MariaDB, as it is a fundamental design issue that will impact many other desicions along the way. - Kristian.

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[Maria-developers] bzr commit into mariadb 5.1, with Maria 1.5:maria branch (knielsen:2679) Bug#43418
by knielsen＠knielsen-hq.org 12 Mar '09

12 Mar '09

#At lp:maria 2679 knielsen(a)knielsen-hq.org 2009-03-12 BUG#43418: MTR2: does not notice a memory leak occuring at shutdown of mysqld w/ --valgrind Partial fix. Do a graceful shutdown at end of testsuite instead of kill -9. Do a simplified parsing for log errors after final server shutdown. modified: mysql-test/mysql-test-run.pl === modified file 'mysql-test/mysql-test-run.pl' --- a/mysql-test/mysql-test-run.pl 2009-02-19 09:01:25 +0000 +++ b/mysql-test/mysql-test-run.pl 2009-03-12 11:39:00 +0000 @@ -357,7 +357,7 @@ sub main { mtr_print_thick_line(); mtr_print_header(); - my $completed= run_test_server($server, $tests, $opt_parallel); + my ($completed, $fail)= run_test_server($server, $tests, $opt_parallel); # Send Ctrl-C to any children still running kill("INT", keys(%children)); @@ -393,6 +393,10 @@ sub main { mtr_error("Not all tests completed"); } + if ($fail) { + mtr_error("Test suite failure."); + } + mtr_print_line(); if ( $opt_gcov ) { @@ -412,6 +416,7 @@ sub run_test_server ($$$) { my $num_saved_cores= 0; # Number of core files saved in vardir/log/ so far. my $num_saved_datadir= 0; # Number of datadirs saved in vardir/log/ so far. my $num_failed_test= 0; # Number of tests failed so far + my $test_failure= 0; # Scheduler variables my $max_ndb= $childs / 2; @@ -445,7 +450,7 @@ sub run_test_server ($$$) { $s->remove($sock); if (--$childs == 0){ $suite_timeout_proc->kill(); - return $completed; + return ($completed, $test_failure); } next; } @@ -509,18 +514,19 @@ sub run_test_server ($$$) { } $num_saved_datadir++; + $test_failure= 1; if ( !$opt_force ) { # Test has failed, force is off $suite_timeout_proc->kill(); push(@$completed, $result); - return $completed; + return ($completed, 1); } elsif ($opt_max_test_fail > 0 and $num_failed_test >= $opt_max_test_fail) { $suite_timeout_proc->kill(); mtr_report("Too many tests($num_failed_test) failed!", "Terminating..."); - return undef; + return (undef, 1); } $num_failed_test++; } @@ -571,6 +577,10 @@ sub run_test_server ($$$) { elsif ($line eq 'START'){ ; # Send first test } + elsif ($line eq 'WARNINGS'){ + mtr_report("***Warnings found in log after final shutdown."); + $test_failure= 1; + } else { mtr_error("Unknown response: '$line' from client"); } @@ -649,7 +659,7 @@ sub run_test_server ($$$) { if ( ! $suite_timeout_proc->wait_one(0) ) { mtr_report("Test suite timeout! Terminating..."); - return undef; + return (undef, 1); } } } @@ -706,10 +716,11 @@ sub run_worker ($) { # Ask server for first test print $server "START\n"; + my $test= undef; while(my $line= <$server>){ chomp($line); if ($line eq 'TESTCASE'){ - my $test= My::Test::read_test($server); + $test= My::Test::read_test($server); #$test->print_test(); # Clear comment and logfile, to avoid @@ -725,6 +736,22 @@ sub run_worker ($) { } elsif ($line eq 'BYE'){ mtr_report("Server said BYE"); + # We need to gracefully shut down the servers to see any + # Valgrind memory leak errors etc. since last server restart. + if ($opt_warnings && defined($test)) { + # Set marker so we only consider log messages generated during shutdown + foreach my $mysqld ( mysqlds() ) { + if (defined $mysqld->value('log-error')) { + mark_log($mysqld->value('log-error'), "<final shutdown>"); + } + } + stop_all_servers(1); + if (check_warnings($test)) { + # Warnings appeared in log file(s) during final server shutdown. + print $server "WARNINGS\n"; + exit(1); + } + } exit(0); } else { @@ -3095,8 +3122,8 @@ sub run_on_all($$) sub mark_log { - my ($log, $tinfo)= @_; - my $log_msg= "CURRENT_TEST: $tinfo->{name}\n"; + my ($log, $name)= @_; + my $log_msg= "CURRENT_TEST: $name\n"; mtr_tofile($log, $log_msg); } @@ -3247,7 +3274,7 @@ sub run_testcase ($) { } # Write start of testcase to log - mark_log($path_current_testlog, $tinfo); + mark_log($path_current_testlog, $tinfo->{name}); if (start_servers($tinfo)) { @@ -3526,6 +3553,7 @@ sub extract_warning_lines ($) { qr/Assertion .* failed/, ); + my $match_count= 0; foreach my $line ( @lines ) { foreach my $pat ( @patterns ) @@ -3533,12 +3561,14 @@ sub extract_warning_lines ($) { if ( $line =~ /$pat/ ) { print $Fwarn $line; + ++$match_count; last; } } } $Fwarn = undef; # Close file + return $match_count; } @@ -3554,8 +3584,6 @@ sub start_check_warnings ($$) { my $name= "warnings-".$mysqld->name(); - extract_warning_lines($mysqld->value('log-error')); - my $args; mtr_init_args(\$args); @@ -3614,17 +3642,37 @@ sub check_warnings ($) { # Start the mysqltest processes in parallel to save time # also makes it possible to wait for any process to exit during the check my %started; + my $total_found= 0; foreach my $mysqld ( mysqlds() ) { - if ( defined $mysqld->{'proc'} ) + my $found= 0; + if (defined $mysqld->value('log-error')) { + $found= extract_warning_lines($mysqld->value('log-error')); + } + + if ( defined $mysqld->{'proc'}) { my $proc= start_check_warnings($tinfo, $mysqld); $started{$proc->pid()}= $proc; } + else + { + $total_found+= $found; + } } # Return immediately if no check proceess was started - return 0 unless ( keys %started ); + unless ( keys %started ) { + # When we check warnings after shutdown of mysqld, we cannot use the + # SQL implementation of warning checking, so we just use the Perl + # checking instead. + # (eventually, it would be better to do all the parsing here in Perl). + if ($total_found > 0) { + return 1; + } else { + return 0; + } + } my $timeout_proc= My::SafeProcess->timer(check_timeout()); @@ -4161,12 +4209,14 @@ sub mysqld_start ($$) { sub stop_all_servers () { + my ($graceful)= @_; mtr_verbose("Stopping all servers..."); # Kill all started servers - My::SafeProcess::shutdown(0, # shutdown timeout 0 => kill - started(all_servers())); + my $timeout = $graceful ? + $opt_shutdown_timeout : 0; # shutdown timeout 0 => kill + My::SafeProcess::shutdown($timeout, started(all_servers())); # Remove pidfiles foreach my $server ( all_servers() ) @@ -4426,7 +4476,7 @@ sub start_servers($) { # Already started # Write start of testcase to log file - mark_log($mysqld->value('log-error'), $tinfo); + mark_log($mysqld->value('log-error'), $tinfo->{name}); next; } @@ -4485,7 +4535,7 @@ sub start_servers($) { mkpath($tmpdir) unless -d $tmpdir; # Write start of testcase to log file - mark_log($mysqld->value('log-error'), $tinfo); + mark_log($mysqld->value('log-error'), $tinfo->{name}); # Run <tname>-master.sh if ($mysqld->option('#!run-master-sh') and

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