MariaDB 是 MySQL 的一个分支,由 MySQL 创始人 Monty Widenius 所开发。
MariaDB 基于事务的Maria存储引擎,替换了MySQL的MyISAM存储引擎,它使用了Percona的 XtraDB,InnoDB的变体,分支的开发者希望提供访问即将到来的MySQL 5.4 InnoDB性能。详细如下:
MariaDB 5.1.49 Release Notes
Download | Release Notes | Changelog
Release date: 09 Aug 2010
For a list of every change made in this release, see the Changelog.
In most respects MariaDB will work exactly as MySQL: all commands, interfaces, libraries and APIs that exist in MySQL also exist in MariaDB.
In addition to the differences noted in previous release notes and changelogs, the main differences between MariaDB and MySQL are:
Includes MySQL 5.1.49
For MariaDB 5.1.49 we have merged in all of the upstream changes from MySQL 5.1.48 and 5.1.49. The MySQL 5.1.48, and 5.1.49 release notes have details of what changes were made upstream by MySQL since 5.1.47.
We have included XtraDB from Percona Server 5.1.47-11.2 in this version of MariaDB. The XtraDB 5.1.47-11.2 release notes page has details of the changes made to XtraDB since version 1.0.6-10 (the version included in MariaDB 5.1.47).
Aria Engine Fixes and Enhancements
In this version of MariaDB we have fixed several recovery and other bugs in the Aria engine. See the changelog for more details and links to the individual bug reports.
Windows Installer
An installer for Windows has been included in this version of MariaDB.
New Location for Release Notes and Changelogs
For this release of MariaDB the Release Notes and Changelog are located at the new Askmonty.org Knowledgebase.
Over time, the Knowledgebase will become the primary source of MariaDB
documentation and release information. Documentation, Changelogs,
Release Notes for previous versions of MariaDB will be migrated here
over the next few months. Redirects will be created for items as they
are moved from the wiki, so any bookmarks will continue to work after a page has been moved.
MariaDB 5.1.49 Changelog
Download | Release Notes | Changelog
Release date: 09 Aug 2010
For the highlights of this release, see the release notes.
The revision number links will take you to the revision’s page on
Launchpad. On Launchpad you can view more details of the revision and
view diffs of the code modified in that revision.
- Revision #2895 Ensure that xtradb & InnoDB plugin compiles if valgrind is installed but not valgrind debug libraries
- Revision #2894 This patch fixes Bug #613408
Memory corruption with (M)aria storage engine and virtual columns in
MariaDB 5.2 Fixed compiler warnings Disabled some tests that doesn’t
work on windows (uses shell tools or strange characters)
- Revision #2893 Fix build failure on windows
- Revision #2892 Fix for Bug #614265 Crash in _ma_unpin_all_pages / _ma_search on DELETE with Aria search engine Fixed compiler warnings
- Revision #2891 Fixed wrong AC_INIT
- Revision #2890 Fixed timing issue in test suite
- Revision #2889 [merge] Merge of 5.1-release
- Revision #2888
- Fix for Bug #602604: RQG: ma_blockrec.c:6187: _ma_apply_redo_insert_row_head_or_tail: Assertion `0′ failed on Maria engine recovery
- More DBUG_PRINT (to simplify future debugging)
- Aria: Added STATE_IN_REPAIR, which is set on start of repair. This allows us to see if ‘crashed’ flag was set intentionally.
- Aria: Some trivial speedup optimization
- Aria: Better warning if table was marked crashed by unfinnished repair
- Revision #2887 force the generation of mysqlmanager.map file
- Revision #2886 restore the unintentinally broken ABI
- Revision #2885 Fixed wrong error message from federatedx (which could lead to assert in DBUG code)
- Revision #2884
mysql client: Ignore –comments at start of command line. This allows
one to more easily run mysqltest tests trough the command line. Fixed
bug: LP#603026 RQG: pagecache_read: Assertion `pageno < ((1ULL)
<< 40)’ on OPTIMIZE TABLE of a Maria table
- Revision #2883 Add 64 bit packages to the pack script. 32 bit is still the default
- Revision #2882 Fix Bug #600744
- Revision #2881 bug lp:578117 – Wrong usage of mutex LOCK_sync and LOCK_active in XA redone locking in TC_LOG_MMAP::log_xid
- Revision #2880 Remove the file libmysqld.exp from the installer
- Revision #2879 Hardcode the build path for the installer temporarily
- Revision #2878 Fix cpack run
- Revision #2877 Install MariaDB as a service with the installer
- Revision #2876 Install MTR and SQL-bench with CPack and NSIS
- Revision #2875 Install the files for the embedded server
- Revision #2874 Install the storage engine plugins
- Revision #2873 Fix a loop and install more script files. Renames the perlscripts component to scripts, since it now also has sql scripts.
- Revision #2872 Fix installing the localized error messages with cpack
- Revision #2871 Implement an NSIS based installer
- Revision #2870 Fixed trival bug introduced in last patch (buffer was not extended)
- Revision #2869 Fixes for Opensolaris (to get buildbot green)
- Fixed memory leaks in mysqldump
- Fixed printf of NULL which caused crashes on OpenSolaris when using –debug
- Fixed realloc() problem that caused out of memory when running mysqldump.test on OpenSolaris
- Revision #2868 Fixed compiler warnings
- Revision #2867 Don’t flush pinned pages in checkpoint (fix for my last push)
- Revision #2866 [merge] merged
- Revision #2864.1.3 mysqltest: use setenv, not putenv, to make gcov happy. (backport from MySQL)
- Revision #2864.1.2 Remove a warning on Windows. There is no CMakeLists.txt in the unittest examples dir
- Revision #2864.1.1 Fixed some bugs in the Maria storage engine
- Changed default recovery mode from OFF to NORMAL to get automatic repair of not properly closed tables.
- Fixed a rase condition when two threads calls external_lock and
thr_lock() in different order. When this happend the transaction that
called external lock first and thr_lock() last did not see see
the rows from the other transaction, even if if it had to wait in
thr_lock() for other to complete.
- Fixed that one can run maria_chk on an automatcally recovered tables without warnings about too small transaction id
- Don’t give warning that crashed table could not be repaired if repair was disabled (and thus not run)
- Fixed a error result from flush_key_cache() which caused a
DBUG_ASSERT() when one was using concurrent reads on non transactional
tables that was updated.
- Revision #2865
mtr: when applying @opt_extra_mysqld_opt for –help, filter out
–binlog-format – it makes mysqld to fail without –log-bin, and we
don’t need either anyway for –help to work.
- Revision #2864 ugly-ugly. $with_plugin_innobase was hard-coded in configure.in in
- Revision #2863 fixed for mysql-test-run to
- fully support –mysqld=–plugin-load=xxxx
- uniformly support all loadable plugins, no need to hard-code every new plugin in mtr
- autodetect MTR_VS_CONFIG on windows
- Revision #2862 allow federated and innodb_plugin to be built
- Revision #2861 fix questionable UNIV_EXPECT’s in the xtradb that confused old gcc.
- Revision #2860 [merge] Automerge MariaDB 5.1.47 release into main.
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