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  1. HBase
  2. HBASE-12116

Hot contention spots; writing

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • None
    • Performance
    • None

    Description

      Playing with flight recorder, here are some write-time contentious synchronizations/locks (picture coming)

      Attachments

        1. 12116.checkForReplicas.txt
          2 kB
          Michael Stack
        2. 12116.stringify.and.cache.scanner.maxsize.txt
          26 kB
          Michael Stack
        3. 12116.txt
          30 kB
          Michael Stack
        4. perf.write3.svg
          555 kB
          Michael Stack
        5. perf.write4.svg
          465 kB
          Michael Stack
        6. Screen Shot 2014-09-29 at 5.12.51 PM.png
          249 kB
          Michael Stack
        7. Screen Shot 2014-09-30 at 10.39.34 PM.png
          115 kB
          Michael Stack
        8. Screen Shot 2015-04-13 at 2.03.05 PM.png
          470 kB
          Michael Stack

        Activity

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            Dates

              Created:
              Updated:
              Resolved: