Details

    • Type: Sub-task Sub-task
    • Status: Closed
    • Priority: Critical Critical
    • Resolution: Fixed
    • Affects Version/s: 0.23.1
    • Fix Version/s: 0.23.1
    • Component/s: mr-am, mrv2, performance
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      This got added via MAPREDUCE-3274. We really don't need the lock if we just implement what I mentioned on that ticket here.

      This has performance implications on MR AM with lots of tasks.

      1. MAPREDUCE-3569-20111115.1.txt
        12 kB
        Vinod Kumar Vavilapalli
      2. MAPREDUCE-3569-20120104.txt
        16 kB
        Vinod Kumar Vavilapalli
      3. MR3569.txt
        15 kB
        Siddharth Seth

        Activity

        Arun C Murthy made changes -
        Status Resolved [ 5 ] Closed [ 6 ]
        Siddharth Seth made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Hadoop Flags Reviewed [ 10343 ]
        Resolution Fixed [ 1 ]
        Siddharth Seth made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Siddharth Seth made changes -
        Attachment MR3569.txt [ 12509501 ]
        Siddharth Seth made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Vinod Kumar Vavilapalli made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Vinod Kumar Vavilapalli made changes -
        Attachment MAPREDUCE-3569-20120104.txt [ 12509458 ]
        Mahadev konar made changes -
        Priority Major [ 3 ] Critical [ 2 ]
        Vinod Kumar Vavilapalli made changes -
        Attachment MAPREDUCE-3569-20111115.1.txt [ 12507618 ]
        Vinod Kumar Vavilapalli made changes -
        Fix Version/s 0.23.1 [ 12318883 ]
        Affects Version/s 0.23.1 [ 12318883 ]
        Description This got added via MAPREDUCE-3274. We really don't need the lock if we just implement what I mentioned on that ticket [here|https://issues.apache.org/jira/browse/MAPREDUCE-3274?focusedCommentId=13137214&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13137214].

        This has performance implications on MR AM with lots of tasks.
        Component/s mr-am [ 12315342 ]
        Vinod Kumar Vavilapalli made changes -
        Field Original Value New Value
        Component/s mrv2 [ 12314301 ]
        Component/s performance [ 12316500 ]
        Vinod Kumar Vavilapalli created issue -

          People

          • Assignee:
            Vinod Kumar Vavilapalli
            Reporter:
            Vinod Kumar Vavilapalli
          • Votes:
            0 Vote for this issue
            Watchers:
            1 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development