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https://issues.apache.org/jira/browse/HADOOP-15726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609738#comment-16609738
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Erik Krogen commented on HADOOP-15726:
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I was unable to replicate any of the {{hadoop.util}} test failures locally, or
the {{TestFSImage}} failure. The {{TestLeaseRecovery2}} failure occurred
intermittently for me with or without this patch applied, and seeing as the
only existing code which was changed in this patch is a small logging change to
{{TestFSNamesystemLock}}, I don't think these failures are related here.
> Create utility to limit frequency of log statements
> ---------------------------------------------------
>
> Key: HADOOP-15726
> URL: https://issues.apache.org/jira/browse/HADOOP-15726
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, util
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Major
> Attachments: HADOOP-15726.000.patch, HADOOP-15726.001.patch
>
>
> There is a common pattern of logging a behavior that is normally extraneous.
> Under some circumstances, such a behavior becomes common, flooding the logs
> and making it difficult to see what else is going on in the system. Under
> such situations it is beneficial to limit how frequently the extraneous
> behavior is logged, while capturing some summary information about the
> suppressed log statements.
> This is currently implemented in {{FSNamesystemLock}} (in HDFS-10713). We
> have additional use cases for this in HDFS-13791, so this is a good time to
> create a common utility for different sites to share this logic.
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