MariaDB 10.0.17/10.1.3 发布，MySQL 衍生版

MariaDB 今天发布两个更新版本，分别是 10.0.17 和 10.1.3 。

其中 10.0.17 值得关注的改进内容有：

详情请看 changelog.

而 10.1.3 版本改进内容包括：

Major new features

Table and Tablespace Encryption.
Optimistic mode of in-order parallel replication (MDEV-6676) and two new associated system variables:
- slave_parallel_mode
- skip_parallel_replication
Enhanced semisync replication (MDEV-162)

Consistent support for IF EXISTS, IF NOT EXISTS, and OR REPLACE clauses:
- DROP ROLE (MDEV-7288)
- DROP USER (MDEV-7288)
- CREATE DATABASE (MDEV-7280)
- CREATE FUNCTION UDF (MDEV-7283)
- CREATE ROLE (MDEV-7288)
- CREATE SERVER (MDEV-7285)
- CREATE USER (MDEV-7288)
- CREATE VIEW (MDEV-7283)
- These statements now also support IF NOT EXISTS and OR REPLACE:
- These statements now support IF EXISTS:
InnoDB/XtraDB Page compression now supports snappy compression method
Dump Thread Enhancements from Google (MDEV-7257)
The wsrep_dirty_reads system variable for permitting dirty Galera reads.
new read-only server variable version_ssl_library that shows the version of currently used SSL library.
new command-line option --getopt-prefix-matching that makes it possible to disable historical "unambiguous prefix" matching in the command-line option parsing.
INFORMATION_SCHEMA.APPLICABLE_ROLES table has a new IS_DEFAULT column (MDEV-6918). See SET DEFAULT ROLE.
INFORMATION_SCHEMA.VIEWS table has a new ALGORITHM column (MDEV-6731).
Improved concurrency: table definition cache now has lock-free implementation completely avoiding any global locks.
EXPLAIN FORMAT=JSON now supports and prints more optimizations (range+MRR, "range checked for each record", full scan on NULL key, expensive constants, etc)

下载地址：https://blog.mariadb.org/mariadb-10-0-17-and-10-1-3-now-available/