Replication Slave Lags Behind Master When Generating Many Small Binary Log Files (max_binlog_size=4k)

(Doc ID 2005826.1)

Last updated on JULY 03, 2015

Applies to:

MySQL Server - Version 4.0 and later
Information in this document applies to any platform.

Symptoms

The replication slave may be unable to keep up with the masters (Seconds_behind_master increasing) when it has to process a large number of very small binary log files.

Changes

The master has been configured with max_binlog_size=4k or some other very small value.

Cause

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