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https://issues.apache.org/jira/browse/HBASE-27667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell updated HBASE-27667:
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Fix Version/s: 2.5.5
(was: 2.5.4)
> Normalizer can skip picking presplit regions while preparing merge plans
> ------------------------------------------------------------------------
>
> Key: HBASE-27667
> URL: https://issues.apache.org/jira/browse/HBASE-27667
> Project: HBase
> Issue Type: Improvement
> Components: Normalizer
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Rajeshbabu Chintaguntla
> Priority: Major
> Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.5
>
>
> Normalizer can be used to merge the regions which become emtpy post TTL
> expiry.
> But it's picking the presplit regions as well. We can skip picking presplit
> regions while preparing the merge plans by looking at the number of
> storefiles along with size. Presplit regions have zero storefiles where as
> the TTL expired regions have 1 storefile with zero size.
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