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, and my.cnf contained audit_log_file setting. Bug fixed #1437505. Percona Server client .deb packages were built with with EditLine instead of Readline. 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。
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。 | 
