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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1594) JobTracker WebUI count of complete/pending tasks inconsistent for the case where speculative tasks are run
Date Wed, 11 Jul 2007 18:21:04 GMT
JobTracker WebUI count of complete/pending tasks inconsistent for the case where speculative
tasks are run
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                 Key: HADOOP-1594
                 URL: https://issues.apache.org/jira/browse/HADOOP-1594
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
            Reporter: Devaraj Das
            Assignee: Arun C Murthy
            Priority: Blocker
             Fix For: 0.14.0


In the JobTracker webui, for successful jobs, I sometimes see inconsistency in the count of
the number of various task types whenever some speculative tasks (esp. maps) are executed.
So for example, if the job has 1000 maps, I'd expect that on a successful job run, the count
of the number of pending map tasks to be 0. But sometimes, when there are speculative tasks,
the pending count is greater than 0, and the completed tasks count is less than the number
of the total tasks that the job originally had.

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