The Ultimate Guide to High Availability with MariaDB

MariaDB 10.8.3 Release Notes

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Download Release Notes Changelog Overview of 10.8

Release date: 20 May 2022

MariaDB 10.8 is a short-term maintenance stable series of MariaDB. It is an evolution of MariaDB 10.7 with several entirely new features.

For an overview of MariaDB 10.8 see the What is MariaDB 10.8? page.

Thanks, and enjoy MariaDB!

Notable Items

InnoDB

Replication

  • Semisync-slave server recovery is refined to correctly rollback prepared transaction (MDEV-28461)
  • Circular semisync setup endless event circulation is handled (MDEV-27760)
  • Semisync-slave server recovery is extended to work on new server_id server (MDEV-27342)
  • Server initialization time gtid_slave_pos purge related reason of crashing in binlog background thread is removed (MDEV-26473)
  • Shutdown of the semisync master can't produce inconsistent state anymore (MDEV-11853)
  • Binlogs disappear after rsync IST (MDEV-28583)
  • autocommit=0 slave hang is eliminated (DBAAS-7828)
  • master crash is eliminated in compressed semisync replication protocol with packet counting amendment (MDEV-25580)
  • OPTIMIZE on a sequence does not cause counterfactual ER_BINLOG_UNSAFE_STATEMENT anymore (MDEV-24617)
  • Automatically generated Gtid_log_list_event is made to recognize within replication event group as a formal member (MDEV-28550)
  • Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE using two or more unique key values at a time with MIXED format binlogging is corrected (MDEV-28310)
  • Replication unsafe INSERT .. ON DUPLICATE KEY UPDATE stops issuing unnessary "Unsafe statement" with MIXED binlog format (MDEV-21810)
  • Incomplete replication event groups are detected to error out by the slave IO thread (MDEV-27697)
  • mysqlbinlog --stop-never --raw now flushes the result file to disk after each processed event so the file can be listed with the actual bytes (MDEV-14608)

Backup

  • Incorrect binlogs after Galera SST using rsync and mariabackup (MDEV-27524)
  • mariabackup does not detect multi-source replication slave (MDEV-21037)
  • Useless warning "InnoDB: Allocated tablespace ID <id> for <tablename>, old maximum was 0" during backup stage (MDEV-27343)
  • mariabackup prepare fails for incrementals if a new schema is created after full backup is taken (MDEV-28446)

Optimizer

  • Query performance degradation in newer MariaDB versions when using many tables (MDEV-28073)
  • A SEGV in Item_field::used_tables/update_depend_map_for_order... (MDEV-26402)
  • ANALYZE FORMAT=JSON fields are incorrect for UNION ALL queries (MDEV-27699)
  • Subquery in an UPDATE query uses full scan instead of range (MDEV-22377)
  • Assertion `item1->type() == Item::FIELD_ITEM ... (MDEV-19398)
  • Server crashes in Expression_cache_tracker::fetch_current_stats (MDEV-28268)
  • MariaDB server crash at Item_subselect::init_expr_cache_tracker (MDEV-26164, MDEV-26047)
  • Crash with union of my_decimal type in ORDER BY clause (MDEV-25994)
  • SIGSEGV in st_join_table::cleanup (MDEV-24560)
  • Assertion `!eliminated' failed in Item_subselect::exec (MDEV-28437)

Spider

General

  • Server error messages are now available in Chinese (MDEV-28227)
  • For RHEL/CentOS 7, non x86_64 architectures are no longer supported upstream and so our support will also be dropped with this release
  • Packages for Ubuntu 22.04 LTS "Jammy" and Fedora 36 are now available in this release

Changelog

For a complete list of changes made in MariaDB 10.8.3, with links to detailed information on each push, see the changelog.

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