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https://issues.apache.org/jira/browse/HBASE-4497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117617#comment-13117617
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[email protected] commented on HBASE-4497:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2118/
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Review request for hbase.
Summary
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Adds a checkAndPut that takes a timestamp
This addresses bug hbase-4497.
https://issues.apache.org/jira/browse/hbase-4497
Diffs
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src/main/java/org/apache/hadoop/hbase/ipc/HRegionInterface.java 3679c02
src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java 7cbdb98
src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java 0c06f4f
src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegion.java 99b34cc
Diff: https://reviews.apache.org/r/2118/diff
Testing
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Thanks,
Michael
> If region opening fails after updating META HBCK reports it as inconsistent
> and scanning the region throws NSRE
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4497
> URL: https://issues.apache.org/jira/browse/HBASE-4497
> Project: HBase
> Issue Type: Bug
> Reporter: ramkrishna.s.vasudevan
> Priority: Critical
>
> As per the discussion in the mail chain "HBCK reporting of possible mismatch
> in RS assignment" this JIRA is created.
> Consider two RS-> RS1 and RS2.
> A region tries to open in RS1. But it takes a while. The RS1 has still not
> updated meta and transitioned the node from OPENING to OPENED
> So timeout assigns the region to RS2. RS2 successfully updates the META and
> opens the region.
> Now RS1 tries to act on the region by first updating the META and then
> transiting the node to OPENING to OPENED.
> RS1 transiting the node to OPENING to OPENED will fail. But the META entry
> will have RS1 as the latest.
> Now HBCK reports this as an inconsistency and if we try to scan the Region we
> get NotServingRegionException.
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