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Displaying posts with tag: diagnose (reset)
Percona Toolkit by example – pt-stalk

pt-stalk recipes: Gather forensic data about MySQL when a server problem occurs

It happens to us all from time to time: a server issue arises that leaves you scratching your head. That’s when Percona Toolkit’s pt-stalk comes into play, helping you diagnose the problem by capturing diagnostic data that helps you pinpoint what’s causing the havoc hitting your database.

From the documentation (

pt-stalk watches for a trigger condition to become true, and then collects data to help in diagnosing problems. It is designed to run as a daemon with root privileges, so that you can diagnose intermittent problems that you cannot observe directly. You can also use it to execute a custom command, or to gather the data on demand without waiting for the trigger to happen. …

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