Mysql Kill A Query Best Here
-- Find long-running queries SELECT id, user, time, state, info FROM information_schema.PROCESSLIST WHERE command != 'Sleep' AND time > 60; -- Kill one KILL QUERY <id>;
And for emergencies when even the connection is stuck:
It was 2:13 AM on a Tuesday. Maya, the only on-call database engineer, jolted awake by a relentless buzz from her phone. mysql kill a query
She typed:
“API latency > 5 seconds. 500 errors spike.” -- Find long-running queries SELECT id, user, time,
She quickly checked the execution plan (EXPLAIN) — sure enough, no index on created_at and a full table scan on products with a wildcard LIKE . A perfect storm.
She groggily opened her laptop, heart already racing. The company’s main e-commerce site was slowing to a crawl. Users couldn’t load their carts. 500 errors spike
The next morning, Maya added a monitoring alert for queries running longer than 60 seconds. She also taught the dev team how to catch themselves:
