perf(join): fall back to chained build on pathological key duplication#259

Merged

singaraiona merged 10 commits into

perf/join-dup-build-fallback

Jun 13, 2026

Commits on Jun 13, 2026

feat(join): dup-fallback routing + force knob + counter (no auto-trigger yet)
singaraiona
committed
feat(join): auto-fallback to chained path on pathological build-side duplication
singaraiona
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test(join): dup-fallback edges — left/full, inner-no-swap, no-trip control, boundary, not-sticky
singaraiona
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feat(join): bypass knob to disable dup-fallback for perf measurement
singaraiona
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bench: join dup-fallback perf gate
singaraiona
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fix(join): count same-hash (per-key) dup not total run — no premature fallback on dense moderate dup
singaraiona
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bench: dup-fallback verdict — WIN (16x catastrophic incl. LEFT, moderate neutral)
singaraiona
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docs: radix join falls back to chained build on pathological key duplication
singaraiona
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docs: clarify dup-fallback re-runs the whole join via chained, not per-partition
singaraiona
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Merge branch 'master' into perf/join-dup-build-fallback
singaraiona
authored