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https://issues.apache.org/jira/browse/HBASE-12891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14381026#comment-14381026
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Stephen Yuan Jiang commented on HBASE-12891:
--------------------------------------------
Checked the
https://builds.apache.org/job/PreCommit-HBASE-Build/13428//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
and did not see any new warnings from HBaseFsck.java (the only file modified).
> Parallel execution for Hbck checkRegionConsistency
> --------------------------------------------------
>
> Key: HBASE-12891
> URL: https://issues.apache.org/jira/browse/HBASE-12891
> Project: HBase
> Issue Type: Improvement
> Components: hbck
> Affects Versions: 2.0.0, 0.98.10, 1.1.0
> Reporter: churro morales
> Assignee: Stephen Yuan Jiang
> Labels: performance, scalability
> Fix For: 2.0.0, 1.1.0, 0.98.13
>
> Attachments: HBASE-12891-v1.patch, HBASE-12891.98.patch,
> HBASE-12891.patch, HBASE-12891.patch, HBASE-12891.v2-branch-1.patch,
> HBASE-12891.v2-master.patch, hbase-12891-addendum1.patch
>
>
> We have a lot of regions on our cluster ~500k and noticed that hbck took
> quite some time in checkAndFixConsistency(). [~davelatham] patched our
> cluster to do this check in parallel to speed things up. I'll attach the
> patch.
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