Percona Server 5.5.53-38.4 发布了。该版本基于MySQL 5.5.53。
更新内容：
新特性：
Metrics for scalability measurement feature has been removed. WARNING: if you have scalability_metrics_control variable in your my.cnf configuration file you’ll need to remove it, otherwise server won’t be able to start.
Bug 修复：
When a stored routine would call an “administrative” command such as OPTIMIZE TABLE, ANALYZE TABLE, ALTER TABLE, CREATE/DROP INDEX, etc. the effective value of log_slow_sp_statements was overwritten by the value of log_slow_admin_statements. Bug fixed
Thread Pool thread limit reached and failed to create thread messages are now printed on the first occurrence as well. Bug fixed
下载地址：
https://www.percona.com/downloads/Percona-Server-5.5/
来自:开源中国社区
