Uploaded image for project: 'Apache Tez'
  1. Apache Tez
  2. TEZ-753 [Umbrella] Scalability improvements
  3. TEZ-776

Reduce AM mem usage caused by storing TezEvents

    XMLWordPrintableJSON

Details

    • Sub-task
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • None
    • 0.7.0
    • None
    • None
    • Reviewed

    Description

      This is open ended at the moment.
      A fair chunk of the AM heap is taken up by TezEvents (specifically DataMovementEvents - 64 bytes per event).
      Depending on the connection pattern - this puts limits on the number of tasks that can be processed.

      Attachments

        1. TEZ-776.15.patch
          148 kB
          Bikas Saha
        2. TEZ-776.14.patch
          148 kB
          Bikas Saha
        3. TEZ-776.13.patch
          147 kB
          Bikas Saha
        4. TEZ-776.12.patch
          147 kB
          Bikas Saha
        5. TEZ-776.11.patch
          146 kB
          Bikas Saha
        6. TEZ-776.10.patch
          133 kB
          Bikas Saha
        7. TEZ-776.9.patch
          133 kB
          Bikas Saha
        8. TEZ-776.8.patch
          129 kB
          Bikas Saha
        9. TEZ-776.7.patch
          128 kB
          Bikas Saha
        10. TEZ-776.6.B.patch
          123 kB
          Bikas Saha
        11. TEZ-776.6.A.patch
          122 kB
          Bikas Saha
        12. TEZ-776.5.patch
          117 kB
          Bikas Saha
        13. TEZ-776.4.patch
          117 kB
          Bikas Saha
        14. TEZ-776.3.patch
          117 kB
          Bikas Saha
        15. TEZ-776.2.patch
          116 kB
          Bikas Saha
        16. TEZ-776.1.patch
          117 kB
          Bikas Saha
        17. TEZ-776.ondemand.7.patch
          109 kB
          Bikas Saha
        18. TEZ-776.ondemand.6.patch
          120 kB
          Bikas Saha
        19. Without_patch_AM_CPU_Usage.png
          63 kB
          Rajesh Balamohan
        20. With_Patch_AM_hotspots.png
          485 kB
          Rajesh Balamohan
        21. With_Patch_AM_profile.png
          472 kB
          Rajesh Balamohan
        22. with_patch_jmc_output_of_AM.png
          388 kB
          Rajesh Balamohan
        23. without_patch_jmc_output_of_AM.png
          294 kB
          Rajesh Balamohan
        24. TEZ-776.ondemand.5.patch
          116 kB
          Bikas Saha
        25. TEZ-776.ondemand.4.patch
          293 kB
          Bikas Saha
        26. TEZ-776.ondemand.3.patch
          107 kB
          Bikas Saha
        27. TEZ-776.ondemand.2.patch
          100 kB
          Bikas Saha
        28. TEZ-776.ondemand.1.patch
          79 kB
          Bikas Saha
        29. TEZ-776.ondemand.patch
          69 kB
          Bikas Saha
        30. events-problem-solutions.txt
          6 kB
          Bikas Saha

        Issue Links

          Activity

            People

              bikassaha Bikas Saha
              sseth Siddharth Seth
              Votes:
              0 Vote for this issue
              Watchers:
              10 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: