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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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Rajeshbabu Chintaguntla resolved HBASE-27667.
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Fix Version/s: (was: 2.6.0)
(was: 3.0.0-alpha-4)
(was: 2.5.5)
Resolution: Won't Fix
As [~ndimiduk] mentioned at PR it would be better to not to check the
storefiles count and size as a metric of considering presplit region. Hence
closing as won't fix as there is no alternative meta data checks to find the
presplit regions. Will reopen if any fix possible.
> 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
>
> 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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