MariaDB 10.3.9 发布，流行的 MySQL 分支版本

MariaDB 10.3.9 已发布，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。

MariaDB 10.3 是 MariaDB 10.2 的演进版，带来了几个全新功能，并且具有 MySQL 的后端和重新实现的功能。

值得注意的更新如下：

• New variable innodb_log_optimize_ddl for avoiding delay due to page flushing and allowing concurrent backup.
• InnoDB updated to 5.7.23
• ALTER TABLE fixes:
  • MDEV-14637 – Fix hang due to DDL with FOREIGN KEY or persistent statistics
  • MDEV-15953 – Alter InnoDB Partitioned Table Moves Files (which were originally not in the datadir) to the datadir
  • MDEV-16515 – InnoDB: Failing assertion: ++retries < 10000 in file dict0dict.cc line 2737
  • MDEV-16809 – Allow full redo logging for ALTER TABLE
  • MDEV-16131 – Assertion `is_instant() || id == DICT_INDEXES_ID’ failed in dict_index_t::instant_field_value
  • MDEV-16830 – ALTER TABLE DROP FOREIGN KEY – unexpected end of stream error
• Temporary tables: MDEV-16713 – InnoDB hang with repeating log entry
• MDEV-16596 – Windows – redo log does not work on native 4K sector disks
• indexed virtual columns: MDEV-15855 – Deadlock between purge thread and DDL statement
• locking: MDEV-16664 – Change the default to innodb_lock_schedule_algorithm=fcfs
• Galera: MDEV-15822 – WSREP: BF lock wait long for trx
• MDEV-16675 – Unnecessary explicit lock acquisition during UPDATE or DELETE
• Packages and a repository for openSUSE 15 have been added with this release, visit the Repository Configuration Tool for instructions on adding the repository
• Fixes for the following security vulnerabilities:
  • CVE-2018-3060
  • CVE-2018-3064
  • CVE-2018-3063
  • CVE-2018-3058
  • CVE-2018-3066

下载地址：https://downloads.mariadb.org/mariadb/10.3.9/

转自 https://www.oschina.net/news/98992/mariadb-10-3-9-released