Karthik Palanisamy created HBASE-29710:
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Summary: 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
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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