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Posted to dev@hbase.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2015/04/11 03:14:14 UTC

[jira] [Resolved] (HBASE-5383) Prevent the compaction read requests from changing the hotness of block cache

     [ https://issues.apache.org/jira/browse/HBASE-5383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell resolved HBASE-5383.
-----------------------------------
    Resolution: Incomplete
      Assignee:     (was: Liyin Tang)

> Prevent the compaction read requests from changing the hotness of block cache
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-5383
>                 URL: https://issues.apache.org/jira/browse/HBASE-5383
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>
> Block cache is organized in an sorted way based on LRU or some other algorithm and it will age out some blocks when the algorithm believes these blocks are not hot any more. 
> The motivation here is to prevent the compaction read requests from changing the hotness of block cache. 



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