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  1. WiredTiger
  2. WT-7867

Performance regression in medium btree throughput

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Works as Designed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Story Points:
      8
    • Sprint:
      Storage - Ra 2021-08-23, Storage - Ra 2021-09-06, Storage - Ra 2021-09-20

      Description

      The medium-btree has some regression as per the below snapshot and first build that shown the regression has the following commits.

      1. WT-7852 Don't release eviction server lock when evicting pages (#6805)
      2. WT-7828 Run many-coll-test on different variant (#6783)
      3. WT-7837 Clear updates structure in wt_hs_insert_updates after processing each key (#6791)
      4. WT-7856 Enable flush test with open cursor in test_tiered04 (#6806)

      The reason for the drop could be WT-7852.

        Attachments

        1. aggressive_2.png
          186 kB
          Alison Felizzi
        2. application_activity.png
          114 kB
          Alison Felizzi
        3. application_aggressive.png
          146 kB
          Alison Felizzi
        4. evic_pass_spinlock_annot.png
          132 kB
          Alison Felizzi
        5. evict_pass_spinlock_stall.png
          125 kB
          Alison Felizzi
        6. image-2021-07-19-11-36-40-226.png
          52 kB
          Haribabu Kommi
        7. more_cpus.png
          167 kB
          Alison Felizzi
        8. read_phase_bounded.png
          171 kB
          Alison Felizzi
        9. read_phase_pre_andpost.png
          189 kB
          Alison Felizzi
        10. with_evict_2.png
          153 kB
          Alison Felizzi
        11. with_evict_offwake_futex.png
          191 kB
          Alison Felizzi
        12. with_evict_offwaketime.png
          225 kB
          Alison Felizzi
        13. with_patch_app_activity.png
          51 kB
          Alison Felizzi
        14. without_evict_2.png
          147 kB
          Alison Felizzi
        15. without_evict_offwaketime.png
          161 kB
          Alison Felizzi
        16. WithoutRegression_WiredTigerStat.19.06
          3.76 MB
          Alison Felizzi
        17. WithRegressionWiredTigerStat.19.06
          3.78 MB
          Alison Felizzi

          Issue Links

          has to be done before

          Bug - A problem which impairs or prevents the functions of the product. WT-7911 Jenkins wt-perf jobs are "unstable" (due to a performance regression)

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. WT-7911 Jenkins wt-perf jobs are "unstable" (due to a performance regression)

          • Major - P3 - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              alison.felizzi Alison Felizzi
              Reporter:
              haribabu.kommi Haribabu Kommi
              Votes:
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              Watchers:
              8 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: