GH-47393: [C++][Acero] Support for multi threaded input: SortedMergeNode - #47394

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X-Lemon-X wants to merge 5 commits into

apache:mainfrom

X-Lemon-X:sorted_merge_threading

Commits on Aug 21, 2025

[C++][sorted_merge][sequencer][threaded] Added threading capabilities to SortedMerge Node with back pressure control
Patryk Dudziński
committed
54f614a
Merge branch 'main' of github.com:X-Lemon-X/arrow into sorted_merge_threading
Patryk Dudziński
committed
0f234fb
[C++][sorted_merge][sequencer][threaded][tests] added test for SortedMergeNode, BackPressure. Moved BackpressureCountingNode to test_nodes
Patryk Dudziński
committed
6eb8c1c
[C++][sorted_merge][sequencer][threaded] Fix for SortedMergeNode when ARROW_ENABLE_THREADING is not enabled
Patryk Dudziński
committed
8df5569

Commits on Aug 25, 2025

[C++][sorted_merge][sequencer][threaded][tests] Disabled test that requires threading enabled
Patryk Dudziński
committed
ae70393