Wellington Chevreuil created HBASE-27795:
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Summary: 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
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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