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mysql_upgrade Will Delete Epoch Value From mysql.ndb_apply_status (Doc ID 2528482.1)

Last updated on MAY 09, 2021

Applies to:

MySQL Cluster - Version 7.4 and later
Information in this document applies to any platform.


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 for a complete list of those changes, and in which minor versions it happened. 

When performing upgrade on replica MYSQLD Node, mysql_upgrade will wipe out mysql.ndb_apply_status. Due to lack of epoch coordinates replication cannot be started again.


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