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https://issues.apache.org/jira/browse/HBASE-12891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-12891:
-----------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Looks fine, also tried it out on a small 3 RS cluster, broke a table (deleted
region underneath RS, ran offline "repair" while cluster was still up, kill -9
everyone, restart), ran 'hbck -repair' and watched the hbck pool threads repair
in parallel, terminated successfully, 0 inconsistencies.
Committed 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, 0.98.13
>
> Attachments: HBASE-12891-v1.patch, HBASE-12891-v3.patch,
> HBASE-12891-v4-0.98.patch, HBASE-12891-v4-branch-1.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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