-- Usage CALL kill_long_running_queries(120); -- kills queries running > 2 minutes Instead of just killing queries, prevent them from running too long:
KILL QUERY <id>; Example:
How to Identify and Kill Long-Running Queries in MySQL mysql kill long running queries
Long-running queries can cripple your database performance, consume server resources, and lead to application timeouts. Here’s how to spot and terminate them in MySQL. First, check which queries are running longer than acceptable.
SELECT id, user, host, db, command, time, state, SUBSTRING(info, 1, 100) AS query_preview FROM information_schema.processlist WHERE command != 'Sleep' AND time > 60 -- running for more than 60 seconds ORDER BY time DESC; Once you have the connection id : SELECT id, user, host, db, command, time, state,
SET GLOBAL max_execution_time = 30000; -- milliseconds (30 seconds) Or per session/query:
KILL 12345; Generate kill commands for all queries exceeding a threshold: -- Usage CALL kill_long_running_queries(120)
KILL [CONNECTION] <id>; Or if you only want to terminate the current query but keep the connection: