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https://issues.apache.org/jira/browse/YARN-1383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811222#comment-13811222
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Karthik Kambatla commented on YARN-1383:
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This heartbeat log was helpful, at least to me, in the past while debugging
production issues. Can we not remove it entirely, may be a flag to turn it
on/off would be nice.
I am not sure if FS event log is always on - if it is, I definitely see merit
to turning it off by default and have a flag for users to turn it on when
needed.
> Remove node updates from the Fair Scheduler event log
> -----------------------------------------------------
>
> Key: YARN-1383
> URL: https://issues.apache.org/jira/browse/YARN-1383
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Affects Versions: 2.2.0
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
> Attachments: YARN-1383.patch
>
>
> Writing out a line whenever a node heartbeats is not useful and just too much.
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