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https://issues.apache.org/jira/browse/YARN-1301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833494#comment-13833494
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Tsuyoshi OZAWA commented on YARN-1301:
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{quote}
On the other hand, if we only choose to log blacklist additions/removals when
they are not empty, we can go with INFO, while in most cases, the lists should
be empty and nothing will be logged.
{quote}
+1 for this idea. I'll update a patch soon.
> Need to log the blacklist additions/removals when YarnSchedule#allocate
> -----------------------------------------------------------------------
>
> Key: YARN-1301
> URL: https://issues.apache.org/jira/browse/YARN-1301
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Zhijie Shen
> Assignee: Tsuyoshi OZAWA
> Priority: Minor
> Fix For: 2.3.0
>
> Attachments: YARN-1301.1.patch, YARN-1301.2.patch, YARN-1301.3.patch
>
>
> Now without the log, it's hard to debug whether blacklist is updated on the
> scheduler side or not
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