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  1. WiredTiger
  2. WT-6039

Perf throughput drop and unstable in large-record-btree

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    • Type: Icon: Bug Bug
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • None
    • 8
    • Storage - Ra 2020-05-04, Storage - Ra 2020-05-18

      From around April 19th, large-record-btree perf job started showing perf drop and throughput doesn't seem stable. See the attached picture for reference.

      Related negative:

      • Parallel-pop-btree load time has gone up and is unstable.
      • Latency warnings for the perf stress jobs has gone up

      Related positive:

      • Update to the btree are showing some performance improvement.
      • Overflow 130k btree throughput seems to be more stable

        1. large-record-btree.png
          89 kB
          Sulabh Mahajan
        2. latency-warnings.png
          66 kB
          Sulabh Mahajan
        3. overflow-130k.png
          330 kB
          Sulabh Mahajan
        4. parallel-pop-btree.png
          88 kB
          Sulabh Mahajan
        5. update-btree-insert-read.png
          82 kB
          Sulabh Mahajan
        6. update-btree-throughput.png
          223 kB
          Sulabh Mahajan

            Assignee:
            luke.pearson@mongodb.com Luke Pearson
            Reporter:
            sulabh.mahajan@mongodb.com Sulabh Mahajan
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              Created:
              Updated:
              Resolved: