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https://issues.apache.org/jira/browse/HBASE-28158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-28158.
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Resolution: Fixed
Pushed the addendum to all active branches.
> Decouple RIT list management from TRSP invocation
> -------------------------------------------------
>
> Key: HBASE-28158
> URL: https://issues.apache.org/jira/browse/HBASE-28158
> Project: HBase
> Issue Type: Bug
> Components: master, Region Assignment
> Affects Versions: 2.6.0, 2.5.6, 3.0.0-beta-1
> Reporter: Andrew Kyle Purtell
> Assignee: Umesh Kumar Kumawat
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.7.0, 3.0.0-beta-2, 2.6.5, 2.5.14
>
>
> Operators bypassed some in progress TRSPs leading to a state where some
> regions were persistently in transition but hidden. Because the master builds
> its list of regions in transition by tracking TRSP, the bypass of TRSP
> removed the regions from the RIT list.
> Although I can see from reading the code this is the expected behavior, it is
> surprising for operators and should be changed. Operators expect that regions
> that should be open but are not appear the master's RIT list, provided by
> /rits.jsp, the output of the shell's 'rit' command, and in ClusterStatus.
> We should only remove a region from the RIT map when assignment reaches a
> suitable terminal state.
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