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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-447) Load increased by 50% when using ExecAdaptor instead of org.apache.hadoop.chukwa.inputtools.plugin.metrics.Exec+FileTailingAdaptor
Date Sun, 17 Oct 2010 18:45:22 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang updated CHUKWA-447:
-----------------------------

    Fix Version/s: 0.5.0
           Status: Patch Available  (was: Open)

Retain change in code instead of interface.

> Load increased by 50% when using ExecAdaptor instead of org.apache.hadoop.chukwa.inputtools.plugin.metrics.Exec+FileTailingAdaptor
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CHUKWA-447
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-447
>             Project: Chukwa
>          Issue Type: Improvement
>          Components: input tools
>    Affects Versions: 0.4.0, 0.3.0
>         Environment: Redhat EL 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.5.0
>
>         Attachments: CHUKWA-447.patch, Picture 4.png
>
>
> While I am coming up a fix for CHUKWA-446, I notice the load average increased by ExecAdaptor.
 There is probably something that could be improved to reduce the cost of ExecAdaptor.

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