Replication Halts With 'log event entry exceeded max_allowed_packet'
(Doc ID 1502552.1)
Last updated on FEBRUARY 01, 2024
Applies to:
MySQL Server - Version 4.0 and laterInformation in this document applies to any platform.
Symptoms
Disclaimer: Starting from v8.0, some terms have been deprecated. Older releases will only use the deprecated terminology, and new releases will only use new terminology. Please see https://dev.mysql.com/doc/mysqld-version-reference/en/ for a complete list of those changes, and in which minor versions it happened.
Replication stops and the replica reports an IO error:
Increasing the max_allowed_packet causes a repeat of the error, and may cause the Read_Source_Log_Pos to be very far ahead of the Exec_Source_Log_Pos, even though until this point the replica was not lagging far behind the source.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |