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  1. Hadoop Common
  2. HADOOP-3670

JobTracker running out of heap space

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • 0.17.0
    • 0.18.0
    • None
    • None
    • Reviewed

    Description

      The JobTracker on our 0.17.0 installation runs out of heap space rather quickly, with less than 100 jobs (at one time even after just 16 jobs).
      Running in 64-bit mode with larger heap space does not help – it will use up all available RAM.

      2008-06-28 05:17:06,661 INFO org.apache.hadoop.ipc.Server: IPC Server handler 62 on 9020, call he
      artbeat(org.apache.hadoop.mapred.TaskTrackerStatus@6f81c6, false, true, 17384) from xxx.xxx.xxx.xxx
      :51802: error: java.io.IOException: java.lang.OutOfMemoryError: GC overhead limit exceeded
      java.io.IOException: java.lang.OutOfMemoryError: GC overhead limit exceeded

      Attachments

        1. patch-3670-0.17-v2.txt
          3 kB
          Amareshwari Sriramadasu
        2. patch-3670-0.17.txt
          3 kB
          Amareshwari Sriramadasu
        3. patch-3670.txt
          2 kB
          Amareshwari Sriramadasu
        4. patch-3670.txt
          2 kB
          Amareshwari Sriramadasu
        5. memory-dump.txt
          13 kB
          Amareshwari Sriramadasu

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          People

            amareshwari Amareshwari Sriramadasu
            ckunz Christian Kunz
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            Dates

              Created:
              Updated:
              Resolved: