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https://issues.apache.org/jira/browse/HBASE-5196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13185767#comment-13185767
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jirapos...@reviews.apache.org commented on HBASE-5196:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/3488/
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Review request for hbase.
Summary
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When the master starts up, this patch tries to scan all offline split parents
and fix up missing daughters as the ServerShutdownHandler does.
This addresses bug HBASE-5196.
https://issues.apache.org/jira/browse/HBASE-5196
Diffs
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src/main/java/org/apache/hadoop/hbase/master/HMaster.java cb2f084
src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
8f4f4b8
src/main/java/org/apache/hadoop/hbase/regionserver/SplitRequest.java 41f5dff
Diff: https://reviews.apache.org/r/3488/diff
Testing
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I test the fix in my real cluster and it does fix the problem.
I am working on a unit test now.
Thanks,
Jimmy
> Failure in region split after PONR could cause region hole
> ----------------------------------------------------------
>
> Key: HBASE-5196
> URL: https://issues.apache.org/jira/browse/HBASE-5196
> Project: HBase
> Issue Type: Bug
> Components: master, regionserver
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
>
> If region split fails after PONR, it relies on the master ServerShutdown
> handler to fix it. However, if the master doesn't get a chance to fix it.
> There will be a hole in the region chain.
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