Title: "Prevent MySQL downtime: Set max_user_connections" Date: 2016-12-19 14:56:00 Categories: [data base] tags: [mysql, mariadb, percona]
There are number of causes for running out of connections, the most common ones involving when the Web/App server is creating unexpectedly large numbers of connections due to a miss-configuration or some script/application leaking connections or creating too many connections in error.