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From "Eric Newton (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-3949) getFileStatus called too often?
Date Wed, 29 Jul 2015 17:45:04 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-3949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Newton updated ACCUMULO-3949:
----------------------------------
    Description: 
In a recent analysis of a large accumulo installation, it was found that getFileStatus represented
40% of the calls to the individual NNs.

This is surprising.  Investigate the calls to getFileStatus and see if they can be reduced.


  was:
In a recent analysis of a large accumulo installation, it was found that getFileStatus represented
80% of the calls to the individual NNs.

This is surprising.  Investigate the calls to getFileStatus and see if they can be reduced.



> getFileStatus called too often?
> -------------------------------
>
>                 Key: ACCUMULO-3949
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3949
>             Project: Accumulo
>          Issue Type: Task
>          Components: tserver
>         Environment: very large cluster
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>             Fix For: 1.8.0
>
>
> In a recent analysis of a large accumulo installation, it was found that getFileStatus
represented 40% of the calls to the individual NNs.
> This is surprising.  Investigate the calls to getFileStatus and see if they can be reduced.



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