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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4011) shuffling backoff 5 minutes despite the whole cluster is idle
Date Sat, 23 Aug 2008 02:04:44 GMT
shuffling backoff 5 minutes despite the whole cluster is idle
-------------------------------------------------------------

                 Key: HADOOP-4011
                 URL: https://issues.apache.org/jira/browse/HADOOP-4011
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
            Reporter: Runping Qi



A reducer of a mapred job got a read time out exception during fetching the last map output
segment.
The reducer waited 5 minutes before re-fetch the map output, even though the whole cluster
was idle during that period.



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