MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
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Kristian Nielsen 920789e9d4 MDEV-31482: Lock wait timeout with INSERT-SELECT, autoinc, and statement-based replication
Remove the exception that InnoDB does not report auto-increment locks waits
to the parallel replication.

There was an assumption that these waits could not cause conflicts with
in-order parallel replication and thus need not be reported. However, this
assumption is wrong and it is possible to get conflicts that lead to hangs
for the duration of --innodb-lock-wait-timeout. This can be seen with three
transactions:

1. T1 is waiting for T3 on an autoinc lock
2. T2 is waiting for T1 to commit
3. T3 is waiting on a normal row lock held by T2

Here, T3 needs to be deadlock killed on the wait by T1.

Note: This should be null-merged to 10.6, as a different fix is needed
there due to InnoDB lock code changes.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
2023-08-15 16:34:09 +02:00
BUILD
client MDEV-31092 mysqldump --force doesn't ignore error as it should 2023-07-31 22:46:47 +02:00
cmake MDEV-18374: Add SELinux policy to cracklib_password_check packages 2023-07-26 11:13:09 +01:00
dbug
debian MDEV-31358: Update description for MariaDB debian/rpm packages 2023-07-03 17:45:58 +10:00
Docs
extra new WolfSSL v5.6.3-stable 2023-07-25 21:08:02 +02:00
include MDEV-31893 Valgrind reports issues in main.join_cache_notasan 2023-08-10 20:57:42 +02:00
libmariadb@3393fe35d3 New CC 3.1 2023-07-24 11:18:11 +02:00
libmysqld
libservices
man
mysql-test MDEV-31482: Lock wait timeout with INSERT-SELECT, autoinc, and statement-based replication 2023-08-15 16:34:09 +02:00
mysys MDEV-381: fdatasync() does not correctly flush growing binlog file 2023-08-10 19:52:04 +02:00
mysys_ssl Fix double definition of CRYPTO_cleanup_all_ex_data 2023-07-31 17:44:07 +02:00
pcre MDEV-31727: pcre stack size not functioning on clang-16 2023-07-21 20:21:37 +10:00
plugin MDEV-18374: Add SELinux policy to cracklib_password_check packages 2023-07-26 11:13:09 +01:00
randgen/conf
scripts Revert "update galera_new_cluster to use environment file" 2023-08-08 15:46:39 +01:00
sql MDEV-31482: Lock wait timeout with INSERT-SELECT, autoinc, and statement-based replication 2023-08-15 16:34:09 +02:00
sql-bench
sql-common Remove CLIENT_SSL_VERIFY_SERVER_CERT 2023-07-23 19:23:51 +02:00
storage MDEV-31482: Lock wait timeout with INSERT-SELECT, autoinc, and statement-based replication 2023-08-15 16:34:09 +02:00
strings MDEV-28384 UBSAN: null pointer passed as argument 1, which is declared to never be null in my_strnncoll_binary on SELECT ... COUNT or GROUP_CONCAT 2023-07-20 11:56:19 +04:00
support-files Revert "use environment file in systemd units for _WSREP_START_POSITION" 2023-08-08 15:46:39 +01:00
tests MDEV-30159 fixup: Plug a memory leak in the test 2023-07-31 09:28:28 +03:00
unittest
vio
win
wsrep-lib@173693f2ee galera: wsrep-lib submodule update 2023-08-11 07:13:35 +02:00
zlib
.clang-format
.gitattributes
.gitignore
.gitlab-ci.yml
.gitmodules
appveyor.yml
BUILD-CMAKE
CMakeLists.txt
config.h.cmake
configure.cmake
CONTRIBUTING.md
COPYING
CREDITS
INSTALL-SOURCE
INSTALL-WIN-SOURCE
KNOWN_BUGS.txt
README.md
THIRDPARTY
VERSION bump the VERSION 2023-08-14 13:43:36 -04:00

Code status:

  • Appveyor CI status ci.appveyor.com

MariaDB: drop-in replacement for MySQL

MariaDB is designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.

MariaDB is brought to you by the MariaDB Foundation and the MariaDB corporation. Please read the CREDITS file for details about the MariaDB Foundation, and who is developing MariaDB.

MariaDB is developed by many of the original developers of MySQL who now work for the MariaDB Corporation, the MariaDB Foundation and by many people in the community.

MySQL, which is the base of MariaDB, is a product and trademark of Oracle Corporation, Inc. For a list of developers and other contributors, see the Credits appendix. You can also run 'SHOW authors' to get a list of active contributors.

A description of the MariaDB project and a manual can be found at:

https://mariadb.com/kb/en/

https://mariadb.com/kb/en/mariadb-vs-mysql-features/

https://mariadb.com/kb/en/mariadb-versus-mysql-compatibility/

https://mariadb.com/kb/en/library/new-and-old-releases/

https://mariadb.org/

As MariaDB is a full replacement of MySQL, the MySQL manual at http://dev.mysql.com/doc is generally applicable.

Help

More help is available from the Maria Discuss mailing list https://launchpad.net/~maria-discuss and the #maria IRC channel on Freenode.

Live QA for beginner contributors

MariaDB has a dedicated time each week when we answer new contributor questions live on Zulip and IRC. From 8:00 to 10:00 UTC on Mondays, and 10:00 to 12:00 UTC on Thursdays, anyone can ask any questions theyd like, and a live developer will be available to assist.

New contributors can ask questions any time, but we will provide immediate feedback during that interval.

Licensing


NOTE:

MariaDB is specifically available only under version 2 of the GNU General Public License (GPLv2). (I.e. Without the "any later version" clause.) This is inherited from MySQL. Please see the README file in the MySQL distribution for more information.

License information can be found in the COPYING file. Third party license information can be found in the THIRDPARTY file.


Bug Reports

Bug and/or error reports regarding MariaDB should be submitted at: https://jira.mariadb.org

For reporting security vulnerabilities see: https://mariadb.org/about/security-policy/

Bugs in the MySQL code can also be submitted at: https://bugs.mysql.com

The code for MariaDB, including all revision history, can be found at: https://github.com/MariaDB/server