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https://issues.apache.org/jira/browse/HBASE-5719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246861#comment-13246861
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jirapos...@reviews.apache.org commented on HBASE-5719:
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https://reviews.apache.org/r/4649/
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Review request for hbase.
Summary
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Make it configurable to sideline some regions in big overlapped groups which
hbck doesn't handle currently.
The regions chose to sideline are those which overlap with most other regions.
This addresses bug HBASE-5719.
https://issues.apache.org/jira/browse/HBASE-5719
Diffs
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src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java 54f9b21
src/main/java/org/apache/hadoop/hbase/util/RegionSplitCalculator.java 17678dd
Diff: https://reviews.apache.org/r/4649/diff
Testing
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mvn -PlocalTests -Dtest=TestHBaseFsck* clean test
Also tested in real system to fix inconsistencies.
Thanks,
Jimmy
> Enhance hbck to sideline overlapped mega regions
> ------------------------------------------------
>
> Key: HBASE-5719
> URL: https://issues.apache.org/jira/browse/HBASE-5719
> Project: HBase
> Issue Type: New Feature
> Components: hbck
> Affects Versions: 0.94.0, 0.96.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.96.0
>
> Attachments: hbase-5719.patch
>
>
> If there are too many regions in one overlapped group (by default, more than
> 10), hbck currently doesn't merge them since it takes time.
> In this case, we can sideline some regions in the group and break the
> overlapping to fix the inconsistency. Later on, sidelined regions can be
> bulk loaded manually.
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