MariaDB is ontstaan als fork van MySQL nadat dit in 2009/2010 door Oracle werd overgenomen. Voor een overzicht van de verschillen tussen MariaDB en MySQL kun je op deze en deze pagina's terecht. MariaDB is een krachtige opensourcedatabaseserver, die vooral populair is als website- en forumdatabase. De ontwikkelaars hebben versie 10.2.12 uitgebracht in de stable-tak met de volgende aankondiging:
MariaDB 10.2.12 Release Notes
MariaDB 10.2 is the current 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.
MariaDB 10.2.12 is a Stable (GA) release.
Notable ChangesUpdates
- MDEV-12837 - WSREP: BF lock wait long
- MDEV-14799 - After UPDATE of indexed columns, old values will not be purged from secondary indexes
- MDEV-12827 - Assertion failure when reporting duplicate key error in online table rebuild
- MDEV-14008 - Failure reading auto-increment values in DOUBLE column from storage engine
- MDEV-12323 - Rollback progress log messages during crash recovery are intermixed with unrelated log messages
- MDEV-12352 - InnoDB shutdown should not be blocked by a large transaction rollback
- MDEV-13797 - InnoDB may hang if shutdown is initiated soon after startup while rolling back recovered incomplete transactions
- MDEV-14422 - Assertion failure in trx_purge_run() on shutdown
- MDEV-14589 - InnoDB should not lock a delete-marked record
- MDEV-14714 / MDEV-14488 / MDEV-14644 - data corruption caused by error log messages ending up in database files or binary logs
- MDEV-14511 - Use fewer transactions for updating InnoDB persistent statistics
- MDEV-13670 / MDEV-14550 - Error log flood : "InnoDB: page_cleaner: 1000ms intended loop took N ms. The settings might not be optimal."
- •mariabackup: MDEV-14536 - during backup, retry read of log blocks, if there is (possibly intermittent) checksum mismatch
- As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.2 for Ubuntu 17.04 "Zesty".
Notes
- The reserved word WINDOW is now only disallowed for table aliases.
For a complete list of changes made in MariaDB 10.2.12 with links to detailed information on each push, see the changelog.
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