November 3, 2025
Fix common MySQL issues quickly: slow queries, deadlocks, replication lag, corruption warnings, and log-based diagnosis.
Diagnose MySQL table corruption, protect existing data, and choose safer recovery paths for InnoDB and MyISAM.
Diagnose and fix MySQL replication lag by checking replica status, I/O, long transactions, indexes, and parallel apply settings.
Diagnose MySQL deadlocks, reduce lock conflicts, and add safe retry logic for transactions that can be retried.
A practical workflow for finding slow MySQL queries, reading plans, fixing indexes, and proving the change worked.