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https://issues.apache.org/jira/browse/PHOENIX-7639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Viraj Jasani updated PHOENIX-7639:
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Fix Version/s: 5.3.0
> Improve error handling in PhoenixMasterObserver
> -----------------------------------------------
>
> Key: PHOENIX-7639
> URL: https://issues.apache.org/jira/browse/PHOENIX-7639
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Priority: Major
> Fix For: 5.3.0
>
>
> If the cluster is upgraded to Phoenix 5.3 without metadata upgrade, new
> system tables SYSTEM.CDC_STREAM_STATUS and SYSTEM.CDC_STREAM will not be
> created yet.
> Any region merges or splits with PhoenixMasterObserver coproc hooks can
> encounter errors as without the system tables, we cannot persist stream
> partition metadata related to region splits and merges. We need to handle
> this error.
> Moreover, it is important to not miss the updates to SYSTEM.CDC_STREAM table
> as part of postCompletedSplitRegionAction() and
> postCompletedMergeRegionsAction(). The purpose of this Jira is to introduce
> maximum retries possible to make the upserts successful.
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