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https://issues.apache.org/jira/browse/HBASE-3287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081372#comment-13081372
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Yi Liang commented on HBASE-3287:
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Is there a patch for 0.90.3?
> Add option to cache blocks on hfile write and evict blocks on hfile close
> -------------------------------------------------------------------------
>
> Key: HBASE-3287
> URL: https://issues.apache.org/jira/browse/HBASE-3287
> Project: HBase
> Issue Type: New Feature
> Components: io, regionserver
> Affects Versions: 0.90.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Fix For: 0.92.0
>
> Attachments: HBASE-3287-FINAL-trunk.patch
>
>
> This issue is about adding configuration options to add/remove from the block
> cache when creating/closing files. For use cases with lots of flushing and
> compacting, this might be desirable to prevent cache misses and maximize the
> effective utilization of total block cache capacity.
> The first option, {{hbase.rs.cacheblocksonwrite}}, will make it so we
> pre-cache blocks as we are writing out new files.
> The second option, {{hbase.rs.evictblocksonclose}}, will make it so we evict
> blocks when files are closed.
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