MariaDB 10.2.31 Release Notes
Note that this version contains an issue that disabled all events created by a server with a different server_id. See MDEV-21758 for details.
Release date: 28 Jan 2020
MariaDB 10.2 is a previous stable series of MariaDB. It is an evolution of MariaDB 10.1 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL 5.6 and 5.7.
Thanks, and enjoy MariaDB!
- MDEV-21337: fix aligned_malloc()
- MDEV-21343: Threadpool/Unix- wait_begin() function does not wake/create threa ds, when it should
- MDEV-21255: Deadlock of parallel slave and mariabackup (with failed log copy thread)
- MDEV-20950: Reduce size of record offsets
- MDEV-19176: Reduce the memory usage during recovery
- MDEV-21429: TRUNCATE and OPTIMIZE are being refused due to "row size too large"
- MDEV-21500: Server hang when using simulated AIO
- MDEV-21509: Possible hang during purge of history, or rollback
- MDEV-21511: Wrong estimate of affected BLOB columns in update
- MDEV-21512: InnoDB may hang due to SPATIAL INDEX
- MDEV-21513: Avoid some crashes in ALTER TABLE...IMPORT TABLESPACE
- MDEV-14183: aria_pack segfaults in compress_maria_file
- MDEV-21318: Wrong results with window functions and implicit grouping
- MDEV-16579: Wrong result of query using DISTINCT COUNT(*) OVER (*)
- MDEV-18046: Crashes caused by random values to the offset option of SHOW BINLOG EVENT offset command
- MDEV-19376: Semisync Master could crash when it executed RESET MASTER and a replica reconnects using GTID protocol
Upgrading from 10.2 versions earlier than 10.2.17 is highly recommended
for all Galera users due to bug MDEV-12837 which caused serious stability
issues with earlier versions. See the bug issue page for more information.
When upgrading from MariaDB 10.2.16 or earlier to MariaDB 10.2.17 or higher,
running mysql_upgrade is required due to changes introduced in MDEV-14637.
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MariaDB may already be included in your favorite OS distribution. More information can be found on the Distributions which Include MariaDB page.