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https://issues.apache.org/jira/browse/HBASE-20893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16552218#comment-16552218
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Allan Yang commented on HBASE-20893:
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I misunderstood the rollback process, the previous patch will execute
openParentRegion() twice(Though it is OK to do so). The V5 patch fixed it.
> Data loss if splitting region while ServerCrashProcedure executing
> ------------------------------------------------------------------
>
> Key: HBASE-20893
> URL: https://issues.apache.org/jira/browse/HBASE-20893
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 3.0.0, 2.1.0, 2.0.1
> Reporter: Allan Yang
> Assignee: Allan Yang
> Priority: Major
> Attachments: HBASE-20893.branch-2.0.001.patch,
> HBASE-20893.branch-2.0.002.patch, HBASE-20893.branch-2.0.003.patch,
> HBASE-20893.branch-2.0.004.patch
>
>
> Similar case as HBASE-20878.
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