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https://issues.apache.org/jira/browse/HBASE-27795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HBASE-27795 started by Shanmukha Haripriya Kota.
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> Define RPC API for cache cleaning
> ---------------------------------
>
> Key: HBASE-27795
> URL: https://issues.apache.org/jira/browse/HBASE-27795
> Project: HBase
> Issue Type: Sub-task
> Reporter: Wellington Chevreuil
> Assignee: Shanmukha Haripriya Kota
> Priority: Major
>
> We should add an RPC API to allow for a "limited manual" cache cleaning. If
> hbase.rs.evictblocksonclose is set to false, blocks may hang in the cache
> upon regions move between RSes.
> The method at the RS level, should compare the files from its online regions
> against the files in the prefetch list file, evicting blocks from the files
> in the prefetch list file that are not in any of the online regions for the
> given RS.
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