Aikesheng Open Source Community
Oct 22, 2019 · Databases
Deep Dive into MySQL Slow Query Log: Time, Lock, and Detailed Output Explanation
This article analyzes the MySQL slow query log in Percona 5.7, explaining how timestamps, execution time, lock time, and various log fields are derived from the source code, and clarifies the meaning of each output component for accurate performance debugging.
DatabaseLock TimeMySQL
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