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https://issues.apache.org/jira/browse/HBASE-15065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15083267#comment-15083267
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Ted Yu commented on HBASE-15065:
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RegionNormalizer is marked Private.
bq. If we end up with hundreds of plans
One factor we should consider is that normalization should't cause burst of
region splitting / merging activities. I would prefer the execution to be
serial.
bq. Why sort the splits plans before merge plans for execution?
The original patch from Mikhail gave more weight to splitting than to merging.
The above is consistent with that practice.
> SimpleRegionNormalizer should return multiple normalization plans in one run
> ----------------------------------------------------------------------------
>
> Key: HBASE-15065
> URL: https://issues.apache.org/jira/browse/HBASE-15065
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 15065-v1.txt
>
>
> This is follow up to HBASE-14867 w.r.t. SimpleRegionNormalizer
> Outline for enhancements:
> * adjustment to the period when SimpleRegionNormalizer runs
> * explore merge opportunities among all neighboring region pairs
> * return multiple normalization plans
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