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https://issues.apache.org/jira/browse/HBASE-29710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Geiszler reassigned HBASE-29710:
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Assignee: Kevin Geiszler
> Skip normalization when tableRegions contains overlaps/holes
> ------------------------------------------------------------
>
> Key: HBASE-29710
> URL: https://issues.apache.org/jira/browse/HBASE-29710
> Project: HBase
> Issue Type: Improvement
> Components: Normalizer
> Reporter: Karthik Palanisamy
> Assignee: Kevin Geiszler
> Priority: Major
>
> When normalization runs with
> {{{}splitEnabled{}}}(hbase.normalizer.split.enabled), the number of holes and
> overlaps can increase if the region chain is broken in the
> tableRegions. We should add a check before constructing the normalization
> plan. >>>
> [https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java#L658]
>
> We have strong validation for the mergeEnabled scenario in the
> mergeProcedure, but not for splits. >>>
> https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/MergeTableRegionsProcedure.java#L138
>
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