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How to log slow queries on Slave in MySQL 5.0 with pt-query-digest This is an off-site link.  Please review our Terms of Service for additional information.




(Nilnandan Joshi) Working as a Percona Support Engineer, every day we are seeing lots of issues related to MySQL replication. One very common issue is slave lagging. There are many reasons for slave lag but one common reason is that queries are taking more time on slave then master.

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