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https://issues.apache.org/jira/browse/HBASE-12891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393647#comment-14393647
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Dave Latham commented on HBASE-12891:
-------------------------------------
Andrew suggested running the test several times and is open to this still
making it to 0.98 if someone else commits it. FWIW I've done now that and had
it pass consistently, so am hoping that Enis will be willing to commit to 0.98.
> 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: Dave Latham
> Labels: performance, scalability
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-12891-v1.patch, HBASE-12891-v3.patch,
> HBASE-12891-v4-0.98.patch, HBASE-12891-v4-branch-1.patch,
> HBASE-12891-v4.1-0.98.patch, HBASE-12891-v4.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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