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  1. Core Server
  2. SERVER-92374

Investigate remaining regression in parsing $project queries with a large constant array

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • None
    • Query Optimization
    • Fully Compatible
    • ALL
    • QO 2024-07-22, QO 2024-08-05

      While SERVER-92298 significantly reduced the 150-200% regression on master, investigate the remaining 20-30%.

        1. master_vs_6_0_15_allocations.png
          master_vs_6_0_15_allocations.png
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        2. test.js
          1 kB
        3. workload.after.cg
          6.36 MB
        4. workload.before.cg
          4.78 MB
        5. callees-before.png
          callees-before.png
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        6. callees-after.png
          callees-after.png
          587 kB

            Assignee:
            william.qian@mongodb.com William Qian
            Reporter:
            lynne.wang@mongodb.com Lynne Wang
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              Created:
              Updated:
              Resolved: