Have pt-stalk collect pidstat -d and pidstat -u, optionall with -t
General
Escalation
General
Escalation
Description
Having pt-stalk collect CPU and IO per-process/per-thread statistics helps narrow down investigation of performance issues; This along with https://perconadev.atlassian.net/browse/PT-1718#icft=PT-1718 can help in many cases to immediately identify MySQL subsystem abusing IO/CPU
Having pt-stalk collect CPU and IO per-process/per-thread statistics helps narrow down investigation of performance issues; This along with https://perconadev.atlassian.net/browse/PT-1718#icft=PT-1718 can help in many cases to immediately identify MySQL subsystem abusing IO/CPU