发布于 2016-07-07 00:56:12 | 59 次阅读 | 评论: 0 | 来源: 网友投递
Percona Server Mysql分支数据库
Percona Server是MySQL的改进版本，使用 XtraDB 存储引擎，在功能和性能上较 MySQL 有着很显著的提升，如提升了在高负载情况下的 InnoDB 的性能，为 DBA 提供了一些非常有用的性能诊断工具，另外有更多的参数和命令来控制服务器行为。
Percona Server 5.7.13-6 发布了，可从Percona web site 或 Software Repositories 下载。
基于MySQL 5.7.13，包括它所有的bug修复，Percona Server 5.7.13-6 是Percona Server 5.7系列中当前的GA版本。Percona完全提供开源和免费软件，发布的所有细节可以在5.7.13-6 milestone at Launchpad找到。
更新内容：
新特性：
TokuDB MTR suite is now part of the default MTR suite in Percona Server 5.7.
Bugs 修复：
Querying the GLOBAL_TEMPORARY_TABLES table would cause server crash if temporary table owning threads would execute new queries. Bug fixed #1581949.
IMPORT TABLESPACE and undo tablespace truncate could get stuck indefinitely with a writing workload in parallel. Bug fixed #1585095.
Requesting to flush the whole of the buffer pool with doublewrite parallel buffer wasn’t working correctly. Bug fixed #1586265.
Audit Log Plugin would hang when trying to write log record of audit_log_buffer_size length. Bug fixed#1588439.
Audit log in ASYNC mode could skip log records which don’t fit into log buffer. Bug fixed #1588447.
In order to support innodb_flush_method being set to ALL_O_DIRECT, the log I/O buffers were aligned toinnodb_log_write_ahead_size. That implementation missed the case that the variable is dynamic and could still lead to a server to crash. Bug fixed #1597143.
InnoDB tablespace import would fail when trying to import a table with different data directory. Bug fixed#1548597 (upstream #76142).
Audit Log Plugin was truncating SQL queries to 512 bytes. Bug fixed #1557293.
mysqlbinlog did not free the existing connection before opening a new remote one. Bug fixed #1587840(upstream #81675).
Fixed a memory leak in mysqldump. Bug fixed #1588845 (upstream #81714).
Transparent Huge Pages check will now only happen if tokudb_check_jemalloc option is set. Bugs fixed#939 and #713.
Logging in ydb environment validation functions now prints more useful context. Bug fixed #722.
其他bug修复: #1541698 (upstream #80261), #1587426 (upstream, #81657), #1589431, #956, and #964.
完整更新列表请查看此处，详细发行说明请查看：Percona Server 5.7.13-6 is now available