MariaDB 10.3.24 Release Notes

Download Release Notes Changelog Overview of 10.3

Alternate download from mariadb.org

Release date: 10 Aug 2020

MariaDB 10.3 is the previous stable series of MariaDB, and an evolution of MariaDB 10.2 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.

MariaDB 10.3.24 is a Stable (GA) release.

For an overview of MariaDB Server 10.3 see the What is MariaDB 10.3? page.

Thanks, and enjoy MariaDB!

Notable Changes

Variables

InnoDB

  • Fixed corruption in delete buffering (MDEV-22497)
  • Fixed a deadlock in FLUSH TABLES…FOR EXPORT (MDEV-22890)
  • InnoDB data file extension is not crash-safe (MDEV-23190)
  • Minor fixes related to encryption and FULLTEXT INDEX
  • Dropping the adaptive hash index may cause DDL to lock up InnoDB (MDEV-22456)
  • innodb_log_optimize_ddl=OFF is not crash safe (MDEV-21347)
  • Mariadb service won't shutdown when it's running and the OS datetime updated backwards (MDEV-17481)
  • Doublewrite recovery can corrupt data pages (MDEV-11799)
  • Fixed race conditions related to buffer pool resizing
  • ALTER TABLE fixes (MDEV-22637, MDEV-23244)
  • Crash recovery fixes (MDEV-21347, MDEV-23190, MDEV-11799)

Replication

  • Make the binlog dump thread to log into errorlog a requested GTID position (MDEV-20428)
  • Fix stop of the optimistic parallel slave at requested START-SLAVE-UNTIL position (MDEV-15152)
  • Properly handle RESET MASTER TO value, when the value exceeds the max allowed 2147483647 (MDEV-22451)
  • Correct 'relay-log.info' updating by concurrent parallel workers (MDEV-22806)
  • Eliminate deadlock involving parallel workers, STOP SLAVE and FLUSH TABLES WITH READ LOCK (MDEV-23089)
  • Correct master-slave automatic reconnection by slave to always pass through all steps of the initial connect. Specifically, do not skip master notification about slave binlog checksum awareness (MDEV-14203)
  • Refine mysqlbinlog output to print out START TRANSACTION at Gtid_log_event processing which satisfies clients that submit the output with sql_mode=oracle (MDEV-23108)
  • Replication aborts with ER_SLAVE_CONVERSION_FAILED upon CREATE ... SELECT in ORACLE mode (MDEV-19632)

Optimizer

  • ALTER TABLE ... ANALYZE PARTITION ... with EITS reads and locks all rows ... (MDEV-21472)
  • Print ranges in the optimizer trace created for non-indexed columns when optimizer_use_condition_selectivity >2 Now the optimizer trace shows the ranges constructed while getting estimates from EITS (MDEV-22665)
  • LATERAL DERIVED is not clearly visible in EXPLAIN FORMAT=JSON, make LATERAL DERIVED tables visible in EXPLAIN FORMAT=JSON output (MDEV-17568)
  • Crash on WITH RECURSIVE large query (MDEV-22748)
  • Crash with Prepared Statement with a '?' parameter inside a re-used CTE (MDEV-22779)

Other

  • MariaDB could crash after changing the query_cache size (MDEV-5924)
  • Errors and SIGSEGV on CREATE TABLE w/ various charsets (MDEV-22111)
  • Crash in CREATE TABLE AS SELECT when the precision of returning type = 0 (MDEV-22502)
  • XA: Reject DDL operations between PREPARE and COMMIT (MDEV-22420)
  • Stop mariabackup --prepare on errors during innodb redo log applying (MDEV-22354)
  • Server crashes in mysql_alter_table upon adding a non-null date column under NO_ZERO_DATE with ALGORITHM=INPLACE (MDEV-18042)
  • Can't uninstall plugin if the library file doesn't exist (MDEV-21258)
  • As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.3 for Ubuntu 19.10 Eoan and Fedora 30

When upgrading from MariaDB 10.3.8 or earlier to MariaDB 10.3.9 or higher,
running mysql_upgrade is required due to changes introduced in MDEV-14637.

Changelog

For a complete list of changes made in MariaDB 10.3.23, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.3.24, see the MariaDB Foundation release announcement.


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