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https://issues.apache.org/jira/browse/HBASE-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-5274.
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> Filter out the expired store file scanner during the compaction
> ---------------------------------------------------------------
>
> Key: HBASE-5274
> URL: https://issues.apache.org/jira/browse/HBASE-5274
> Project: HBase
> Issue Type: Improvement
> Reporter: Liyin Tang
> Assignee: Mikhail Gryzykhin
> Priority: Major
> Attachments: ASF.LICENSE.NOT.GRANTED--D1407.1.patch,
> ASF.LICENSE.NOT.GRANTED--D1407.1.patch,
> ASF.LICENSE.NOT.GRANTED--D1407.1.patch,
> ASF.LICENSE.NOT.GRANTED--D1407.1.patch,
> ASF.LICENSE.NOT.GRANTED--D1407.1.patch, ASF.LICENSE.NOT.GRANTED--D1473.1.patch
>
>
> During the compaction time, HBase will generate a store scanner which will
> scan a list of store files. And it would be more efficient to filer out the
> expired store file since there is no need to read any key values from these
> store files.
> This optimization has been already implemented on 89-fb and this is the
> building block for HBASE-5199 as well. It is supposed to be no-ops to compact
> the expired store files.
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