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

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            Dates

              Created:
              Updated:
              Resolved: