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  1. Hadoop Map/Reduce
  2. MAPREDUCE-5568

JHS returns invalid string for reducer completion percentage if AM restarts with 0 reducer.

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.4.1, 2.5.1
    • Fix Version/s: 2.7.0
    • Component/s: None
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      JobCLient shows like:

      13/10/05 16:26:09 INFO mapreduce.Job:  map 100% reduce NaN%
      13/10/05 16:26:09 INFO mapreduce.Job: Job job_1381015536254_0001 completed successfully
      13/10/05 16:26:09 INFO mapreduce.Job: Counters: 26
      	File System Counters
      		FILE: Number of bytes read=0
      		FILE: Number of bytes written=76741
      		FILE: Number of read operations=0
      		FILE: Number of large read operations=0
      		FILE: Number of write operations=0
      		HDFS: Number of bytes read=48
      		HDFS: Number of bytes written=0
      		HDFS: Number of read operations=1
      		HDFS: Number of large read operations=0
      		HDFS: Number of write operations=0
      

      With mapped job -status command, it shows:

      Uber job : false
      Number of maps: 1
      Number of reduces: 0
      map() completion: 1.0
      reduce() completion: NaN
      Job state: SUCCEEDED
      retired: false
      reason for failure:
      

        Attachments

        1. 5568.patch01
          1 kB
          MinJi Kim
        2. 5568.patch02
          35 kB
          MinJi Kim
        3. 5568.patch03
          35 kB
          MinJi Kim
        4. 5568.patch04
          35 kB
          MinJi Kim

          Activity

            People

            • Assignee:
              minjikim MinJi Kim
              Reporter:
              jianhe Jian He
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              Dates

              • Created:
                Updated:
                Resolved: