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https://issues.apache.org/jira/browse/YARN-3760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15963855#comment-15963855
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Junping Du commented on YARN-3760:
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+1. Will commit it shortly.
> FSDataOutputStream leak in AggregatedLogFormat.LogWriter.close()
> ----------------------------------------------------------------
>
> Key: YARN-3760
> URL: https://issues.apache.org/jira/browse/YARN-3760
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.4.0
> Reporter: Daryn Sharp
> Assignee: Haibo Chen
> Priority: Critical
> Attachments: YARN-3760.00.patch, YARN-3760.01.patch,
> YARN-3760.02.patch
>
>
> The aggregated log file does not appear to be properly closed when writes
> fail. This leaves a lease renewer active in the NM that spams the NN with
> lease renewals. If the token is marked not to be cancelled, the renewals
> appear to continue until the token expires. If the token is cancelled, the
> periodic renew spam turns into a flood of failed connections until the lease
> renewer gives up.
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