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Fairness counter: use sliding window#9422

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dnr wants to merge 1 commit intotemporalio:mainfrom
dnr:cms4
Open

Fairness counter: use sliding window#9422
dnr wants to merge 1 commit intotemporalio:mainfrom
dnr:cms4

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@dnr dnr commented Feb 27, 2026

What changed?

Use a sliding window for count-min sketch cells.

Why?

Use less memory, or use more cells with the same memory.

How did you test it?

  • built
  • run locally and tested manually
  • covered by existing tests
  • added new unit test(s)
  • added new functional test(s)

Potential risks

Reduced accuracy in some extreme scenarios.

@dnr dnr requested review from a team as code owners February 27, 2026 08:13
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