[Perf] many-collection-test: 83.86% worst latency regression in ubuntu2004-perf-tests (commit de77f18)

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      A recent change affecting the wiredtiger evergreen project has potentially caused performance changes to one or more automated performance tests.

      This Perf BF may contain both regressions and improvements with the emphasis being drawn to regressions. On the Perf BF page, you may filter out regressions by selecting the corresponding Change Type (far left) column in the table.

      When closing this ticket, please populate the 'Fix revision' field if appropriate.

        1. image-2026-06-24-13-14-53-409.png
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          Alexander Pullen
        2. image-2026-06-24-13-43-14-829.png
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          Alexander Pullen
        3. image-2026-06-25-09-11-57-003.png
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          Alexander Pullen
        4. image-2026-07-07-15-05-07-041.png
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          Alexander Pullen
        5. tmp4g016ab4.png
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          Mongo Perf User
        6. WT-17579 Investigation Progress.md
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          Alexander Pullen
        7. WT-17579 Investigation Summary.md
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          Alexander Pullen

            Assignee:
            Alexander Pullen
            Reporter:
            Mongo Perf User
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              Created:
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