Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Critical Critical
    • Resolution: Fixed
    • Affects Version/s: 0.20.1
    • Fix Version/s: 0.21.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Updates to task timing information were fixed in some code paths that led to inconsistent metering of task run times. Also, checks were added to guard against inconsistencies and record information about state if they should happen to occur.

      Description

      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

      1. mapreduce-964-1.patch
        2 kB
        Sreekanth Ramakrishnan
      2. mapreduce-964-2.patch
        6 kB
        Sreekanth Ramakrishnan
      3. mapreduce-964-3.patch
        6 kB
        Sreekanth Ramakrishnan
      4. MAPREDUCE-964-4.patch
        7 kB
        Hemanth Yamijala
      5. mapreduce-964-ydist.patch
        6 kB
        Sreekanth Ramakrishnan
      6. mapreduce-964-ydist.patch
        5 kB
        Sreekanth Ramakrishnan
      7. mapreduce-964-ydist-1.patch
        0.5 kB
        Sreekanth Ramakrishnan

        Activity

          People

          • Assignee:
            Sreekanth Ramakrishnan
            Reporter:
            Rajiv Chittajallu
          • Votes:
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            Dates

            • Created:
              Updated:
              Resolved:

              Development