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  1. WiredTiger
  2. WT-1955

Fix LSM merge aggressiveness algorithm

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    • Type: Icon: Improvement Improvement
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • WT2.7.0
    • Affects Version/s: WT2.6.1
    • Component/s: None
    • None

      The current merge aggressiveness algorithm isn't working well in combination with the recent change to allow bulk loading into an LSM tree.

      The algorithm is a hang over from when each LSM tree had it's own set of worker threads.

        1. lsm_throughput.png
          109 kB
          Alexander Gorrod
        2. monitor.lsm.3hr
          147 kB
          Susan LoVerso
        3. test.stat.lsm.3hr
          175 kB
          Susan LoVerso
        4. wtstats.dev.html
          825 kB
          Susan LoVerso
        5. wtstats.lsm.html
          845 kB
          Susan LoVerso
        6. wtstats.lsm1hrnew.html
          841 kB
          Susan LoVerso
        7. wtstats.lsm3hr.html
          1.16 MB
          Susan LoVerso

            Assignee:
            alexander.gorrod@mongodb.com Alexander Gorrod
            Reporter:
            alexander.gorrod@mongodb.com Alexander Gorrod
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              Created:
              Updated:
              Resolved: