Shulou(Shulou.com)05/31 Report--

This article is about how to find out why MySQL locks are waiting. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

-- introduction to sys Library

Mysql 5.6 can also have sys libraries (performance_schema-based views). The sys library is an open source project that has long been available on githup and is an open source tool for DBA. Later, mysql felt good and put it on mysql5.7.

Download address: https://github.com/mysql/mysql-sys

[tms@m-db3 ~] $cd mysql-sys-master

[tms@m-db3 ~] $mysql

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