feat(aggregate): cost-aware partial-aggregation skip (opt-in)#22518

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zhuqi-lucas wants to merge 13 commits into

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zhuqi-lucas:feat/adaptive-partial-agg-cost

Commits on May 26, 2026

feat(aggregate): cost-aware partial-aggregation skip (opt-in)
zhuqi-lucas
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[FOR BENCHMARK ONLY] flip default to true + update SLT
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tune: drop cost_ns_per_row default from 1000 → 100
zhuqi-lucas
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Merge branch 'main' into feat/adaptive-partial-agg-cost
zhuqi-lucas
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pivot to lower-ratio Rule 2 + diagnostic gauges
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revert benchmark-only default flip; default back to false
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feat: A/B sampling for cost-aware partial-agg skip decision
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[FOR BENCHMARK ONLY] flip default to true so bot exercises A/B sampling
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ci: re-trigger after GitHub Actions infra outage
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feat: segment-level re-probing for dynamic distribution shifts
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Merge branch 'main' into feat/adaptive-partial-agg-cost
zhuqi-lucas
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Revert "feat: segment-level re-probing for dynamic distribution shifts"
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test: explicitly disable cost model in legacy not-locked-until-skip test
zhuqi-lucas
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