MySQL instance is using > 90% of max_connections. Consider checking the client application responsible for generating those additional connections.
MySQLHighThreadsRunning
MySQL instance is actively using > 80% of max_connections. Consider reviewing the value of the max-connections config parameter or allocate more resources to your database server.
MySQLHighPreparedStatementsUtilization(>80%)
MySQL instance is using > 80% of max_prepared_stmt_count. Too many prepared statements might consume a lot of memory.
MySQLSlowQueries
MySQL instance has a slow query. Consider optimizing the query by reviewing its execution plan, then rewrite the query and add any relevant indexes.
MySQLInnoDBLogWaits
MySQL instance has long InnoDB log waits. MySQL InnoDB log writes might be stalling. Check I/O activity on your nodes to find the responsible process or query. Consider using iotop and the performance_schema.
MySQLRestarted
MySQL instance restarted. MySQL restarted less than one minute ago. If the restart was unplanned or frequent, check Loki logs (e.g. error.log).
