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https://issues.apache.org/jira/browse/HBASE-12891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393914#comment-14393914
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Hudson commented on HBASE-12891:
--------------------------------
FAILURE: Integrated in HBase-0.98 #933 (See
[https://builds.apache.org/job/HBase-0.98/933/])
HBASE-12891 concurrent region consistency checks (apurtell: rev
616f91f1f7f13fdf14662bd023d635f9b595f3d8)
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
Revert "HBASE-12891 concurrent region consistency checks" (apurtell: rev
b881aed6a00508ea727306735fee236ff03132f8)
* hbase-server/src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java
> 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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