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https://issues.apache.org/jira/browse/HBASE-18363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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huaxiang sun resolved HBASE-18363.
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Resolution: Invalid
the in-memory region state can be fixed with "-fixAssignments".
> Hbck option to undeploy in memory replica parent region
> --------------------------------------------------------
>
> Key: HBASE-18363
> URL: https://issues.apache.org/jira/browse/HBASE-18363
> Project: HBase
> Issue Type: Bug
> Components: hbck
> Affects Versions: 1.4.0, 2.0.0-alpha-1
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Priority: Minor
>
> We run into cases that with read replica, after split, sometimes, the parent
> replica region is left in master's in memory onlineRegion list. This results
> in the region got assigned to a region server. Though the root cause will be
> fixed by HBASE-18025. We need to enhance hbck tool to fix this in-memory
> state. Currently, hbck only allows the fix for primary region (in this case,
> the primary region is gone) with fixAssignment option, please see the
> following line of code. We will enhance it so it can be applied to replica
> region as well.
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java#L2216
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