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https://issues.apache.org/jira/browse/HADOOP-10079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811297#comment-13811297
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Aaron T. Myers commented on HADOOP-10079:
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Agree with all of Andrew's comments. Groups lookups should really be quite
fast, so I don't think it'd be unreasonable to log a warn after something much
lower than 30s, e.g. 3-5s.
Since we're now measure group resolution time, should we perhaps put this into
a percentile metric as well?
> log a warning message if group resolution takes too long.
> ---------------------------------------------------------
>
> Key: HADOOP-10079
> URL: https://issues.apache.org/jira/browse/HADOOP-10079
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.2.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HADOOP-10079.001.patch
>
>
> We should log a warning message if group resolution takes too long.
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