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  1. WiredTiger
  2. WT-7758

Force evict a page when the update chain is too long

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    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • WT10.0.1, 5.0.2, 4.4.9, 5.1.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • 8
    • Storage - Ra 2021-07-12, Storage - Ra 2021-07-26

      SERVER-47855 resulted in several regressions, described in the linked Build Failure and PERF-2434. This particular ticket is to investigate the 156% increase in latency when updating metadata in mixed_writes_replica (MixedWrites.Crud, MixedWrites.W2InsertOne.0, MixedWrites.W3InsertOne.1). This regression was measured by measured by uladzimir.makouski.

       

        1. 262036a_mixed_writes_replica.png
          72 kB
          Tammy Bailey
        2. 64e63f9_mixed_writes_replica.png
          71 kB
          Tammy Bailey
        3. Before_After_Commits.png
          30 kB
          Ravi Giri
        4. Fix.diff
          71 kB
          Ravi Giri
        5. FTDC_Compare.png
          356 kB
          Ravi Giri
        6. run_mixedwrites_genny.sh
          2 kB
          Ravi Giri
        7. Screen Shot 2021-07-07 at 9.19.40 PM.png
          88 kB
          Alex Podelko
        8. Screen Shot 2021-07-09 at 12.19.18 am.png
          104 kB
          Ravi Giri
        9. Screen Shot 2021-07-10 at 12.41.47 am.png
          240 kB
          Ravi Giri
        10. Screen Shot 2021-07-12 at 3.36.37 PM.png
          75 kB
          Alex Podelko
        11. Screen Shot 2021-07-13 at 1.19.20 am.png
          116 kB
          Ravi Giri
        12. Screen Shot 2021-07-13 at 5.37.13 am.png
          187 kB
          Ravi Giri
        13. Screenshot 2021-07-20 at 21.04.11.png
          69 kB
          Ger Hartnett

            Assignee:
            ravi.giri@mongodb.com Ravi Giri
            Reporter:
            tammy.bailey@mongodb.com Tammy Bailey (Inactive)
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            Watchers:
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              Created:
              Updated:
              Resolved: