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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-5383) Prevent the compaction read requests from changing the hotness of block cache
Date Sat, 11 Apr 2015 01:14:14 GMT

     [ 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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