Mysql Kill Long Running Queries ✪

SELECT CONCAT('KILL ', id, ';') AS kill_command FROM information_schema.processlist WHERE command != 'Sleep' AND time > 300; -- 5+ minutes Copy the output and run the commands. DELIMITER $$ CREATE PROCEDURE kill_long_running_queries(IN max_time_seconds INT) BEGIN DECLARE done INT DEFAULT FALSE; DECLARE pid INT; DECLARE cur CURSOR FOR SELECT id FROM information_schema.processlist WHERE command != 'Sleep' AND time > max_time_seconds; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur; read_loop: LOOP FETCH cur INTO pid; IF done THEN LEAVE read_loop; END IF; SET @kill_stmt = CONCAT('KILL ', pid); PREPARE stmt FROM @kill_stmt; EXECUTE stmt; DEALLOCATE PREPARE stmt; END LOOP; CLOSE cur; END$$ DELIMITER ;

KILL QUERY <id>; Example:

SET GLOBAL max_execution_time = 30000; -- milliseconds (30 seconds) Or per session/query: mysql kill long running queries

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

How to Identify and Kill Long-Running Queries in MySQL SELECT CONCAT('KILL ', id, ';') AS kill_command FROM

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

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. First, check which queries are running longer than

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 :