Uploaded image for project: 'WiredTiger'
  1. WiredTiger
  2. WT-1955

Fix LSM merge aggressiveness algorithm

XMLWordPrintableJSON

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

            Assignee:
            alexander.gorrod@mongodb.com Alexander Gorrod
            Reporter:
            alexander.gorrod@mongodb.com Alexander Gorrod
            Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

              Created:
              Updated:
              Resolved: