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https://issues.apache.org/jira/browse/YARN-2125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027263#comment-14027263
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Jian He commented on YARN-2125:
-------------------------------

LOG.info(sb.toString()); inside should be changed as debug as well ?

> 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
>
>
> 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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