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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3760) Log aggregation failures
Date Tue, 02 Jun 2015 15:28:20 GMT
Daryn Sharp created YARN-3760:

             Summary: Log aggregation failures 
                 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
            Priority: Critical

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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