MySQL is a widely adopted open source relational database and serves as the primary data store for many popular websites, applications, and commercial products. With more than 20 years of community development and support, MySQL is a reliable, stable, and secure SQL-based database system.
The number of queries per second that take more than a specified long_query_time.
Current open connections
The number of currently opened connections.
Statements per second
The number of SELECT statements executed per second.