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  1. WiredTiger
  2. WT-7757

Skip obsolete leaf pages without having to read them

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • WT10.0.1, 5.0.4, 4.4.10, 5.1.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • 13
    • Storage - Ra 2021-07-12, Storage - Ra 2021-07-26, Storage - Ra 2021-08-09, Storage - Ra 2021-09-06, Storage - Ra 2021-09-20, Storage - Ra 2021-10-04

      SERVER-47855 resulted in several regressions, see attached BF for the details. This particular ticket is to investigate a 410% regression in genny workload that repeatedly deletes and reinserts documents in a long-running transaction.

        1. wt-7757-last.png
          104 kB
          Sulabh Mahajan
        2. test_index_inconsistency.py
          5 kB
          Sulabh Mahajan
        3. Screen Shot 2021-07-20 at 8.54.58 PM.png
          38 kB
          Alex Podelko
        4. Screenshot 2021-07-20 at 22.03.02.png
          33 kB
          Ger Hartnett
        5. Screen Shot 2021-07-19 at 7.43.48 PM.png
          49 kB
          Alex Podelko
        6. Screen Shot 2021-07-19 at 10.42.32 AM.png
          73 kB
          Alex Podelko
        7. re-run.png
          167 kB
          Sulabh Mahajan
        8. regress-gone.png
          62 kB
          Sulabh Mahajan
        9. reduced-regress.png
          80 kB
          Sulabh Mahajan
        10. perf-improv.png
          504 kB
          Sulabh Mahajan
        11. newstats.png
          555 kB
          Sulabh Mahajan
        12. more -changes.png
          114 kB
          Sulabh Mahajan
        13. DeleteAndReinsert.Crud.png
          70 kB
          Sulabh Mahajan
        14. compare.png
          244 kB
          Sulabh Mahajan
        15. comp4.png
          49 kB
          Sulabh Mahajan
        16. comp3.png
          74 kB
          Sulabh Mahajan
        17. comp2.png
          106 kB
          Sulabh Mahajan
        18. comp1.png
          1.08 MB
          Sulabh Mahajan
        19. 7757-2.png
          156 kB
          Sulabh Mahajan

            Assignee:
            sulabh.mahajan@mongodb.com Sulabh Mahajan
            Reporter:
            sulabh.mahajan@mongodb.com Sulabh Mahajan
            Votes:
            0 Vote for this issue
            Watchers:
            15 Start watching this issue

              Created:
              Updated:
              Resolved: