Mysql Kill Long Running Queries May 2026

KILL 12345; Generate kill commands for all queries exceeding a threshold:

KILL [CONNECTION] <id>; Or if you only want to terminate the current query but keep the connection: mysql kill long running queries

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 : KILL 12345; Generate kill commands for all 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. consume server resources

SET GLOBAL max_execution_time = 30000; -- milliseconds (30 seconds) Or per session/query:

KILL QUERY <id>; Example: