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https://issues.apache.org/jira/browse/HBASE-24995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192892#comment-17192892
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Hudson commented on HBASE-24995:
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Results for branch branch-2.3
[build #34 on
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> MetaFixer fails to fix overlaps when multiple tables have overlaps
> ------------------------------------------------------------------
>
> Key: HBASE-24995
> URL: https://issues.apache.org/jira/browse/HBASE-24995
> Project: HBase
> Issue Type: Bug
> Components: hbck2
> Affects Versions: 3.0.0-alpha-1, 2.2.3
> Reporter: Mohammad Arshad
> Assignee: Mohammad Arshad
> Priority: Major
> Fix For: 3.0.0-alpha-1, 2.4.0, 2.3.2
>
>
> MetaFixer fails to fix overlaps when multiple tables have overlaps
> *Steps to reproduce from UT.*
> # Create table t1 and t2 with split keys, ["bbb", "ccc", "ddd", "eee"]
> # Create extra region in both t1 and t2 with start key "bbb" and end key "ddd"
> # Run catalog janitor, It will report total 4 overlaps, 2 from each table.
> # Run MetaFixer, wait for merges to finish.
> # Run the catalog janitor again and verify report, there should not be any
> overlap
> # Overlap still exists. Reproduced!!!
> *Analysis.*
> * When I run the same scenario for just one table t1, overlaps are fixed
> successfully.
> * Seems problem with MetaFixer#calculateMerges.
> * I think merges should be calculated within a table. Across the table merge
> does not have significance.
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