feat: Add batch spill limit to improve shuffle writer throughput [experimental] #3941

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Draft

andygrove wants to merge 4 commits into apache:main from andygrove:optimize-buffered-shuffle

Draft

feat: Add batch spill limit to improve shuffle writer throughput [experimental] #3941

chore: apply spotless formatting

GitHub Advanced Security / CodeQL succeeded Apr 14, 2026 in 5s

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