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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2125) ProportionalCapacityPreemptionPolicy should only log CSV when debug enabled
Date Wed, 11 Jun 2014 17:35:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-2125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028075#comment-14028075
] 

Jian He commented on YARN-2125:
-------------------------------

Looks good, +1.  Committing this

> ProportionalCapacityPreemptionPolicy should only log CSV when debug enabled
> ---------------------------------------------------------------------------
>
>                 Key: YARN-2125
>                 URL: https://issues.apache.org/jira/browse/YARN-2125
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: resourcemanager, scheduler
>    Affects Versions: 3.0.0
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Minor
>         Attachments: YARN-2125.patch, YARN-2125.patch
>
>
> Currently, logToCSV() will be output using LOG.info() in ProportionalCapacityPreemptionPolicy.
Which will generate non-human-readable texts in resource manager's log every several seconds,
like
> {code}
> ...
> 2014-06-05 15:57:07,603 INFO org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy:
 QUEUESTATE: 1401955027603, a1, 4096, 3, 2048, 2, 4096, 3, 4096, 3, 0, 0, 0, 0, b1, 3072,
2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0, 0, b2, 3072, 2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0,
0
> 2014-06-05 15:57:10,603 INFO org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy:
 QUEUESTATE: 1401955030603, a1, 4096, 3, 2048, 2, 4096, 3, 4096, 3, 0, 0, 0, 0, b1, 3072,
2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0, 0, b2, 3072, 2, 1024, 1, 3072, 2, 3072, 2, 0, 0, 0,
0
> ...
> {code}
> It's better to make it output when debug enabled.



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