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https://issues.apache.org/jira/browse/HBASE-17057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashu Pachauri updated HBASE-17057:
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Status: Patch Available (was: Open)
> Minor compactions should also drop page cache behind reads
> ----------------------------------------------------------
>
> Key: HBASE-17057
> URL: https://issues.apache.org/jira/browse/HBASE-17057
> Project: HBase
> Issue Type: Improvement
> Components: Compaction
> Reporter: Ashu Pachauri
> Assignee: Ashu Pachauri
> Attachments: HBASE-17057.V1.patch
>
>
> Long compactions currently drop cache behind reads/writes so that they don't
> pollute the page cache but short compactions don't do that. The bulk of the
> data is actually read during minor compactions instead of major compactions,
> and thrashes the page cache since it's mostly not needed.
> We should drop page cache behind minor compactions too.
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