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From "Rajiv Chittajallu (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-964) Inaccurate values in jobSummary logs
Date Tue, 08 Sep 2009 20:31:57 GMT
Inaccurate values in jobSummary logs
------------------------------------

                 Key: MAPREDUCE-964
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-964
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 0.20.1
            Reporter: Rajiv Chittajallu


For some jobs the mapSlotSeconds is incorrect.

negative value

09/09/01 18:31:44 INFOmapred.JobInProgress$JobSummary: jobId=job_200908270718_4568,submitTime=1251823543976,launchTime=1251823554310,finishTime=1251829904565,
           numMaps=7965,numSlotsPerMap=1,numReduces=40,numSlotsPerReduce=1,user=wile,queue=runner,status=SUCCEEDED,
        mapSlotSeconds=-2503133523,reduceSlotsSeconds=186536,clusterMapCapacity=11262,clusterReduceCapacity=3754

or too high

09/09/02 23:59:57 INFO mapred.JobInProgress$JobSummary: jobId=job_200908270718_5861,submitTime=1251935672924,launchTime=1251935687698,finishTime=1251935997949,
           numMaps=1026,numSlotsPerMap=1,numReduces=10,numSlotsPerReduce=1,user=dfsload,queue=gridops,status=SUCCEEDED,
        
mapSlotSeconds=1251949742,reduceSlotsSeconds=537,clusterMapCapacity=11262,clusterReduceCapacity=3754



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