The Slow Query Log. This allows you to find inefficient SQL queries that can be optimized to improve database performance. Mysqldumpslow -a varlogmysql-slowlog.
The MySQL slow query log is where the MySQL database server registers all queries that exceed a given threshold of execution time. The slow query log can be used to find queries that take a long time to execute and are therefore candidates for optimization. To learn more about the MySQL slow query log visit MySQL.
The slow query log can be used to find queries that take a long time to execute and are.
The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. However there are good reasons to log all the queries not just some of them. To learn more about the MySQL slow query log visit MySQL. By default the slow query log is disabled.