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Posted to notifications@accumulo.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2013/08/30 21:25:51 UTC

[jira] [Commented] (ACCUMULO-1535) monitor deepCopy to understand Compressor usage as a tserver resource

    [ https://issues.apache.org/jira/browse/ACCUMULO-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755054#comment-13755054 ] 

Mike Drob commented on ACCUMULO-1535:
-------------------------------------

{{RFile$Reader.deepCopies}} is a list of the copies, and can be looked at when checking against thresholds for number of copies.
                
> monitor deepCopy to understand Compressor usage as a tserver resource
> ---------------------------------------------------------------------
>
>                 Key: ACCUMULO-1535
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1535
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: Eric Newton
>             Fix For: 1.5.1, 1.6.0
>
>
> With IntersectingIterator trees, the number of deepCopied handles to files can multiply rapidly.  The tablet server should monitor this resource because the Decompressors can take up a lot of space permanently.

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