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[MSE] Add opt-in sender-sorted merging for global ordered windows - #19396

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xiangfu0 wants to merge 14 commits into

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xiangfu0:xiangfu0/pinot-issue-19395-ff8b8a

Commits on Sep 30, 2026

[MSE] Merge sender-sorted streams for ordered windows
xiangfu0
committed
a5237b3
[MSE] Optimize sorted mailbox merge
xiangfu0
committed
6266c48
[MSE] Limit sender-sorted merge to global windows
xiangfu0
committed
93ec781
[MSE] Avoid eager sort buffer allocation
xiangfu0
committed
35b1563
[MSE] Minimize sender-sorted merge changes
xiangfu0
committed
2413e6f
[MSE] Address sender-sorted window review feedback
xiangfu0
committed
e962357
[MSE] Speed up four-sender sorted window merge
xiangfu0
committed
50913f0
[MSE] Simplify sorted mailbox merging
xiangfu0
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ddc8a05
[MSE] Use current planner test APIs
xiangfu0
committed
6dff651

Commits on Oct 3, 2026

Commits on Oct 4, 2026

[test] Verify homogeneous snapshot builds disable k-way merge
xiangfu0
committed
01af906