Performance Schema (P_S) has been available since MySQL 5.5, more than 4 years ago. It is still difficult to see production servers with P_S enabled, even with MySQL 5.6 where the feature is enabled by default. There have been several complaints like the overhead, that the fix is a work in progress, and the ease [&]

The post Sys Schema for MySQL 5.6 and MySQL 5.7 appeared first on MySQL Performance Blog.

http://www.percona.com/blog/2014/11/20/sys-schema-mysql-5-6-5-7/