MariaDB 10

MariaDB 10.2.12 release, MySQL branch version

MariaDB 10.2.12 released. MariaDB database management system is a branch of MySQL, mainly by the open source community in the maintenance, using GPL license MariaDB is designed to be fully compatible with MySQL, including API and command line.

Notable Changes

  • 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.”
  • mariabackupMDEV-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”.


  • The reserved word WINDOWis now only disallowed for table aliases.


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