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MariaDB 10.2.12 发布了。MariaDB主要由开源社区在维护，采用 GPL 授权许可。 MariaDB 的目的是完全兼容 MySQL，包括 API 和命令行。
Notable Changes
- InnoDB updated to 5.7.21
- Galera wsrep library updated to 25.3.23
- MDEV-13869 – MariaDB slow start
- MDEV-14611 – ALTER TABLE EXCHANGE PARTITION does not work properly when used with DATA DIRECTORY
- MDEV-15249 – Crash in MVCC read after IMPORT TABLESPACE
- Foreign key bugs:
- MDEV-15199 – Referential integrity broken in ON DELETE CASCADE / MDEV-14222 Unnecessary ‘cascade’ memory allocation for every updated row
- MDEV-15219 – FOREIGN KEY CASCADE or SET NULL operations will not resume after lock wait
- MDEV-15042 – INSERT ON DUPLICATE KEY UPDATE produces error 1032 (Can’t find record)
- MDEV-13205 – InnoDB: Failing assertion: !dict_index_is_online_ddl(index) upon ALTER TABLE
- MDEV-14958 – Merge new release of InnoDB MySQL 5.7.21 to 10.2
- MDEV-15165 – InnoDB purge for index on virtual column is trying to access an incomplete record
- MDEV-15143 – InnoDB: Rollback of trx with id 0 completed
- MDEV-11415 – Remove excessive undo logging during ALTER TABLE…ALGORITHM=COPY
- MDEV-15016 – multiple page cleaner threads use a lot of CPU
- MDEV-14941 – Timeouts on persistent statistics tables caused by MDEV-14511
- MDEV-14985 – innodb_undo_log_truncate may be blocked if transactions were recovered at startup
- MDEV-14441 – InnoDB hangs when setting innodb_adaptive_hash_index=OFF during UPDATE
- MDEV-14887 – On a 32-bit system, MariaDB 10.2 mishandles data file sizes exceeding 4GiB
- Fedora 27 packages added
- As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.2 for Fedora 25
Security Fixes
- Fixes for the following security vulnerabilities:
Notes
For a complete list of changes made in MariaDB 10.2.13 with links to detailed information on each push, see the changelog.
转自 http://www.oschina.net/news/93375/mariadb-10-2-13