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Posted to notifications@accumulo.apache.org by "Josh Elser (JIRA)" <ji...@apache.org> on 2015/04/04 04:41:33 UTC

[jira] [Updated] (ACCUMULO-2008) Block cache reserves section for in-memory blocks

     [ https://issues.apache.org/jira/browse/ACCUMULO-2008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Elser updated ACCUMULO-2008:
---------------------------------
    Fix Version/s:     (was: 1.7.0)
                   1.8.0

> Block cache reserves section for in-memory blocks
> -------------------------------------------------
>
>                 Key: ACCUMULO-2008
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2008
>             Project: Accumulo
>          Issue Type: Bug
>          Components: tserver
>    Affects Versions: 1.4.4, 1.5.0, 1.6.0
>            Reporter: Billie Rinaldi
>             Fix For: 1.8.0
>
>
> The block cache reserves a quarter of its size for in-memory blocks, but Accumulo doesn't have any in-memory blocks.  This makes the cache size parameters misleading, because the cache will effectively end up using 75% of its specified size.  This could be fixed by changing the default percentages in LruBlockCache, or by using the constructor takes the percentages as parameters.



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