Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.3.0, 2.0.0
    • Component/s: metrics
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Doing workloadc, perf shows 10%+ of CPU being spent on counter#add. If I disable some of the hot ones – see patch – I can get 10% more throughput (390k to 440k). Figure something better.

        Attachments

        1. less_and_less_counters.png
          22 kB
          stack
        2. HBASE-16146.branch-1.3.001.patch
          2 kB
          Gary Helmling
        3. HBASE-16146.branch-1.001.patch
          2 kB
          Gary Helmling
        4. HBASE-16146.001.patch
          2 kB
          Gary Helmling
        5. counters.patch
          9 kB
          stack

          Issue Links

            Activity

              People

              • Assignee:
                ghelmling Gary Helmling
                Reporter:
                stack stack
              • Votes:
                0 Vote for this issue
                Watchers:
                15 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: