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  1. Hadoop Map/Reduce
  2. MAPREDUCE-258

Update MapOutputServlet to use NIO channels

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • None
    • None
    • None
    • None

    Description

      The TaskTracker can serve the map output segments using RandomAccessFileBuffer, added in JETTY-748.

      Attachments

        1. RangedDefaultServlet.java
          11 kB
          David Yu

        Issue Links

          is blocked by

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-1650 Upgrade Jetty to 6.x

          • Major - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-4699 Change TaskTracker.MapOutputServlet to send only the IFile segment, validate checksum in Reduce

          • Major - Major loss of function.
          • Closed
          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-916 Rewrite DFSOutputStream to use a single thread with NIO

          • Major - Major loss of function.
          • Open

          Activity

            People

              cdouglas Christopher Douglas
              cdouglas Christopher Douglas
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              Dates

                Created:
                Updated:
                Resolved: