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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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Enis Soztutar updated HBASE-12891:
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Attachment: hbase-12891-addendum1.patch
Reopened for addendum. Attaching what I had in mind (although a bit ugly).
Rethrowing the exception is important IMO since if we cannot get the
information for a subset of regions, and based on that do some fixes later on
in the hbck execution it might be disastrous. Let's be safe instead.
> Parallel execution for Hbck checkRegionConsistency
> --------------------------------------------------
>
> Key: HBASE-12891
> URL: https://issues.apache.org/jira/browse/HBASE-12891
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 2.0.0, 0.98.10, 1.1.0
> Reporter: churro morales
> Assignee: churro morales
> Fix For: 2.0.0, 1.1.0, 0.98.11
>
> Attachments: HBASE-12891-v1.patch, HBASE-12891.98.patch,
> HBASE-12891.patch, HBASE-12891.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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