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https://issues.apache.org/jira/browse/HBASE-13576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527737#comment-14527737
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Stephen Yuan Jiang commented on HBASE-13576:
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[~enis] sorry, click the 'add' many times. If you agree, please help commit.
> HBCK enhancement: Failure in checking one region should not fail the entire
> HBCK operation.
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-13576
> URL: https://issues.apache.org/jira/browse/HBASE-13576
> Project: HBase
> Issue Type: Bug
> Components: hbck
> Affects Versions: 2.0.0, 1.1.0, 1.2.0
> Reporter: Stephen Yuan Jiang
> Assignee: Stephen Yuan Jiang
> Attachments: HBASE-13576.v1-master.patch,
> HBASE-13576.v2-master.patch, HBASE-13576.v3-master.patch
>
>
> HBaseFsck#checkRegionConsistency() checks region consistency and repair the
> corruption if requested. However, this function expects some exceptions.
> For example, in one aspect of region repair, it calls
> HBaseFsckRepair#waitUntilAssigned(), if a region is in transition for over
> 120 seconds (default value of "hbase.hbck.assign.timeout" configuration),
> IOException would throw.
> The problem is that one exception in checkRegionConsistency() would kill
> entire hbck operation, because the exception would propagate up.
> The proposal is that if the region is not META region ( or a system table
> region if we prefer), we can skip the region if
> HBaseFsck#checkRegionConsistency() fails. We could print out skip regions in
> summary section so that users know to either re-run or investigate potential
> issue for that region.
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