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

Draft

zhuqi-lucas wants to merge 18 commits into

apache:mainfrom

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

Commits on May 26, 2026

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