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  1. Hadoop Common
  2. HADOOP-195

improve performance of map output transfers

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.2.0
    • 0.3.0
    • None
    • None

    Description

      The data transfer of the map output should be transfered via http instead rpc, because rpc is very slow for this application and the timeout behavior is suboptimal. (server sends data and client ignores it because it took more than 10 seconds to be received.)

      Attachments

        1. netstat.log
          6 kB
          Owen O'Malley
        2. netstat.xls
          26 kB
          Peter Sutter
        3. data-transfer-chart.pdf
          40 kB
          Owen O'Malley
        4. MapFileSimulator.java
          7 kB
          Peter Sutter
        5. mapfilesimulator-big.txt
          3 kB
          Peter Sutter
        6. mapfilesimulator-sort2.txt
          71 kB
          Peter Sutter
        7. parallel-copiers.txt
          25 kB
          Sameer Paranjpye

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          People

            omalley Owen O'Malley
            omalley Owen O'Malley
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            Dates

              Created:
              Updated:
              Resolved:

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