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https://issues.apache.org/jira/browse/HBASE-26636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-26636.
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Fix Version/s: 3.0.0-alpha-3
Hadoop Flags: Reviewed
Resolution: Fixed
Merged to master.
Thanks [~GeorryHuang] for reviewing.
> Update the ref guide upgrading section to mention that the master issue when
> upgrading to 2.3
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-26636
> URL: https://issues.apache.org/jira/browse/HBASE-26636
> Project: HBase
> Issue Type: Task
> Components: documentation
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0-alpha-3
>
>
> Since we migrate the procedure store while upgrading the active master, if
> there are backup masters which are still on the old version should not become
> active any more, otherwise it may cause problems.
> We should mention this in the ref guide.
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