Slave Performance Too Slow With Row Based Events For Table Without Primary Key (Doc ID 2271864.1)

Last updated on AUGUST 30, 2017

Applies to:

MySQL Server - Version 5.5 and later
MySQL Cluster - Version 7.2 and later
Information in this document applies to any platform.

Symptoms

The replication slave SQL thread cannot keep up while processing row based events from the master's binary log. For example:

 

Changes

Several changes may cause this to start happening, for example:

Cause

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