Percona Server 5.5.43-37.2 发布,性能改进的 MySQL数据库
Percona 为 MySQL 数据库服务器进行了改进,在功能和性能上较 MySQL 有着很显著的提升。该版本提升了在高负载情况下的 InnoDB 的性能、为 DBA 提供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 只包含 MySQL 的服务器版,并没有提供相应对 MySQL 的 Connector 和 GUI 工具进行改进。
Percona Server 使用了一些 google-mysql-tools, Proven Scaling, Open Query 对 MySQL 进行改造。
Percona Server 5.5.43-37.2 发布,此版本基于 MySQL 5.5.43,包括其所有 bug 修复,是当前 5.5 系列的安全版本。更新内容:
Bugs 修复
-
A server binary as distributed in binary tarballs could fail to load on different systems due to an unsatisfied
libssl.so.6
dynamic library dependency. Bug fixed #1172916. -
mysql_install_db
would make the server produce an“Error in my_thread_global_end(): 1 threads didn't exit”
error message. Bug fixed #1402074. -
A string literal containing an invalid UTF-8 sequence could be treated as falsely equal to a UTF-8 column value with no invalid sequences. (MDEV-7649).
-
Percona Server
.deb
binaries were built without fast mutexes. Bug fixed #1433980. -
Installing or uninstalling the Audit Log Plugin would crash the server if the audit_log_file variable was pointing to an inaccessible path. Bug fixed #1435606.
-
The audit_log_file variable would point to random memory area if the Audit Log Plugin was not loaded into server, and then installed with
INSTALL PLUGIN
, andmy.cnf
contained audit_log_file setting. Bug fixed #1437505. -
Percona Server client
.deb
packages were built with withEditLine
instead ofReadline
. Bugs fixed #1266386 and #1332822 (upstream #63130 and #69991).
其他 bug 修复: #1436138 (upstream #76505).
更多内容请看发行说明。