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  1. WiredTiger
  2. WT-7758

Force evict a page when the update chain is too long

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: WT10.0.1, 5.0.2, 4.4.9, 5.1.0-rc0
    • Component/s: None
    • Labels:
      None
    • Story Points:
      8
    • Sprint:
      Storage - Ra 2021-07-12, Storage - Ra 2021-07-26

      Description

      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.

       

        Attachments

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

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              Assignee:
              ravi.giri Ravi Giri
              Reporter:
              tammy.bailey Tammy Bailey
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                Dates

                Created:
                Updated:
                Resolved: