The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-12-22. For the latest, interactive version please visit https://mariadb.com/kb/.

MariaDB 11.6.2 Release Notes

Download Release Notes Changelog Overview of 11.6

Alternate download from mariadb.org

Release date: 21 Nov 2024

MariaDB 11.6.2 is a Stable (GA) release. It is an evolution of MariaDB 11.5 with several entirely new features.

MariaDB 11.6 is a rolling release. One is expected to upgrade to MariaDB 11.7.2, there will be no 11.6.3.

For an overview of MariaDB 11.6 see the What is MariaDB 11.6? page.

Thanks, and enjoy MariaDB!

Notable Items

Storage Engines

InnoDB

  • Defaults change - the innodb_snapshot_isolation system variable now defaults to ON, previously was OFF (MDEV-35124)
  • Fix attempt to read outside the bounds of the file: ./ibdata1 (MDEV-34453)
  • Fix MariaDB crash with SIGILL because the OS does not support AVX512 (MDEV-34565)
  • Fix deadlock caused by lock_rec_unlock_unmodified() (MDEV-34690)
  • Fix duplicate key error in table 'mysql.innodb_table_stats' (MDEV-34207)
  • Fix possible adaptive hash index corruption with ALTER TABLE...IMPORT TABLESPACE and FULLTEXT SEARCH (MDEV-35059)
  • XA prepare now correctly releases unmodified records in non-blocking mode (MDEV-34466)
  • Fix contention between secondary index UPDATE and purge due to large innodb_purge_batch_size (MDEV-34515)
  • Fix redundant page lookups that hurt performance (MDEV-34791)
  • Implement innodb_log_file_mmap on 64-bit systems for improving ib_logfile0 reads (MDEV-34062)

Spider

S3

  • Fix Storage Engine S3 that caused 500 error when using Huawai Cloud S3 and possibly other S3 providers (MDEV-34867)
    • A new option s3-provider has been added. s3-provider=Huawai needs to be set for Huawai Cloud S3
    • New option s3_ssl_no_verify, if true, SSL certificate verification for the S3 endpoint is disabled

Optimizer

  • Fix crash caused by query containing constant having clause (MDEV-23983)
  • Fix assertion with optimizer_join_limit_pref_ratio and 1-table select (MDEV-35072)

Data Definition - Alter Table

  • Under Windows Subsystem for Linux, InnoDB crashes on ALTER TABLE or OPTIMIZE TABLE (MDEV-34938)
  • modification of the column fails to check foreign key constraint (MDEV-34392)
  • Incorrect NULL value handling for instantly dropped BLOB columns (MDEV-35122)

Galera

  • Galera updated to 26.4.20
  • Fix server crash when setting wsrep_cluster_address after adding invalid value to wsrep_allowlist table (MDEV-31173)
  • TOI (ALTER) no longer hangs on a parent table if SR transaction is in progress on a child table (MDEV-34836)
  • Fix INSERT...SELECT' on MyISAM table suddenly replicated by alera (MDEV-34647)
  • Fix case where with wsrep_mode=REPLICATE_ARIA, only part of the mixed-engine transactions was replicated (MDEV-30653)
  • Fix galera_ssl_reload failure with warning message (MDEV-32778)
  • When InnoDB gets an assertion failure, WSREP layer is now handled gracefully (MDEV-32363)

Backup

  • Recovery now correctly notes some log corruption (MDEV-34802)
  • InnoDB now correctly merges the change buffer to ROW_FORMAT=COMPRESSED tables (MDEV-34879)
  • Can now selectively restore sequences using innodb tables from backup (MDEV-32350)

JSON

General

  • mariadbd no longer hangs on startup when --init-file target does not exist (MDEV-34814)
  • LOAD DATA INFILE with geometry data no longer fails (MDEV-34883)
  • Fix heap-use-after-free in group_concat with compressed or GIS columns (MDEV-16699)
  • Fix assertion `!is_cond()' failed in Item_bool_func::val_int / do_select (MDEV-35135)
  • Trigger now works correctly with bulk update (MDEV-34718)
  • Fix assertion failure in find_producing_item upon a query from a view (MDEV-35276)
  • Add new setting, --quick-max-column-width to the mariadb client for use in --quick mode (MDEV-34704)

Changelog

For a complete list of changes made in MariaDB 11.6.2, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 11.6.2, see the MariaDB Foundation release announcement.

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