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From "Nathan Roberts (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-162) nodemanager log aggregation has scaling issues with namenode
Date Tue, 16 Oct 2012 23:09:02 GMT
Nathan Roberts created YARN-162:
-----------------------------------

             Summary: nodemanager log aggregation has scaling issues with namenode
                 Key: YARN-162
                 URL: https://issues.apache.org/jira/browse/YARN-162
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 0.23.3
            Reporter: Nathan Roberts
            Priority: Critical


Log aggregation causes fd explosion on the namenode. On large clusters this can exhaust FDs
to the point where datanodes can't check-in.



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