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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
    • Labels:
      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. 64e63f9_mixed_writes_replica.png
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        2. 262036a_mixed_writes_replica.png
          262036a_mixed_writes_replica.png
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        3. run_mixedwrites_genny.sh
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        4. FTDC_Compare.png
          FTDC_Compare.png
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        5. Before_After_Commits.png
          Before_After_Commits.png
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        6. Screen Shot 2021-07-07 at 9.19.40 PM.png
          Screen Shot 2021-07-07 at 9.19.40 PM.png
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        7. Screen Shot 2021-07-09 at 12.19.18 am.png
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        8. Screen Shot 2021-07-10 at 12.41.47 am.png
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        9. Screen Shot 2021-07-13 at 1.19.20 am.png
          Screen Shot 2021-07-13 at 1.19.20 am.png
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        10. Fix.diff
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        11. Screen Shot 2021-07-12 at 3.36.37 PM.png
          Screen Shot 2021-07-12 at 3.36.37 PM.png
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        12. Screen Shot 2021-07-13 at 5.37.13 am.png
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        13. Screenshot 2021-07-20 at 21.04.11.png
          Screenshot 2021-07-20 at 21.04.11.png
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            Assignee:
            ravi.giri@mongodb.com Ravi Giri
            Reporter:
            tammy.bailey@mongodb.com Tammy Bailey (Inactive)
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            0 Vote for this issue
            Watchers:
            13 Start watching this issue

              Created:
              Updated:
              Resolved: