Hadoop Map/Reduce
  1. Hadoop Map/Reduce
  2. MAPREDUCE-284

Improvements to RPC between Child and TaskTracker

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.21.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed
    • Release Note:
      Enables tcp.nodelay for RPC between Child and TaskTracker.

      Description

      We could improve the RPC between the Child and TaskTracker:

      • Set ping interval lower by default to 5s
      • Disable nagle's algorithm (tcp no-delay)
      1. MR-284.v2.patch
        0.6 kB
        Ravi Gummadi
      2. MR-284.v1.patch
        0.5 kB
        Ravi Gummadi
      3. MR-284.patch
        1.0 kB
        Ravi Gummadi

        Activity

        Arun C Murthy created issue -
        Owen O'Malley made changes -
        Field Original Value New Value
        Project Hadoop Common [ 12310240 ] Hadoop Map/Reduce [ 12310941 ]
        Key HADOOP-5788 MAPREDUCE-284
        Affects Version/s 0.20.0 [ 12313438 ]
        Component/s mapred [ 12310690 ]
        Fix Version/s 0.21.0 [ 12313563 ]
        Ravi Gummadi made changes -
        Attachment MR-284.patch [ 12415328 ]
        Ravi Gummadi made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Assignee Arun C Murthy [ acmurthy ] Ravi Gummadi [ ravidotg ]
        Arun C Murthy made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Fix Version/s 0.21.0 [ 12314045 ]
        Ravi Gummadi made changes -
        Attachment MR-284.v1.patch [ 12416852 ]
        Ravi Gummadi made changes -
        Attachment MR-284.v2.patch [ 12417104 ]
        Sharad Agarwal made changes -
        Status Open [ 1 ] Resolved [ 5 ]
        Hadoop Flags [Reviewed]
        Resolution Fixed [ 1 ]
        Ravi Gummadi made changes -
        Release Note Enables tcp.nodelay for RPC between Child and TaskTracker.
        Tom White made changes -
        Status Resolved [ 5 ] Closed [ 6 ]

          People

          • Assignee:
            Ravi Gummadi
            Reporter:
            Arun C Murthy
          • Votes:
            1 Vote for this issue
            Watchers:
            6 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development