Sequential reads for BATCH queries

[dahbka-lis]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

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[github-actions]

⚪ 2025-11-14 14:32:32 UTC Pre-commit check linux-x86_64-release-asan for eb731ff has started.
⚪ 2025-11-14 14:32:36 UTC Artifacts will be uploaded here
⚪ 2025-11-14 14:33:58 UTC ya make is running...
🟡 2025-11-14 16:28:56 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
15551	15112	0	237	181	21

🟢 2025-11-14 16:29:05 UTC Build successful.
🟢 2025-11-14 16:29:30 UTC ydbd size 3.9 GiB changed* by +304 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: a32ae5c	merge: eb731ff	diff	diff %
ydbd size	4 136 479 280 Bytes	4 136 479 584 Bytes	+304 Bytes	+0.000%
ydbd stripped size	1 522 590 760 Bytes	1 522 590 888 Bytes	+128 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-11-14 14:32:39 UTC Pre-commit check linux-x86_64-relwithdebinfo for eb731ff has started.
⚪ 2025-11-14 14:33:10 UTC Artifacts will be uploaded here
⚪ 2025-11-14 14:35:34 UTC ya make is running...
🟡 2025-11-14 16:01:54 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
31713	30292	0	3	1389	29

⚪ 2025-11-14 16:02:08 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-14 16:12:51 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
62 (only retried tests)	46	0	0	0	16

🟢 2025-11-14 16:12:59 UTC Build successful.
🟢 2025-11-14 16:13:20 UTC ydbd size 2.3 GiB changed* by +16 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: a32ae5c	merge: eb731ff	diff	diff %
ydbd size	2 479 861 256 Bytes	2 479 861 272 Bytes	+16 Bytes	+0.000%
ydbd stripped size	520 820 720 Bytes	520 820 720 Bytes	0 Bytes	0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

🟢 2025-11-14 17:11:02 UTC The validation of the Pull Request description is successful.

[Copilot]

Pull Request Overview

This pull request disables single partitioning optimizations for BATCH queries by checking the MaxBatchSize field in the graph metadata.

• Prevents single partition optimization from being applied when executing BATCH operations
• Removes single-partition task constraint validation for BATCH queries

---

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[github-actions]

⚪ 2025-11-14 17:09:00 UTC Pre-commit check linux-x86_64-relwithdebinfo for 5f046e0 has started.
⚪ 2025-11-14 17:09:18 UTC Artifacts will be uploaded here
⚪ 2025-11-14 17:11:35 UTC ya make is running...
🟡 2025-11-14 18:43:54 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39437	36612	0	6	2795	24

⚪ 2025-11-14 18:44:06 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-14 18:53:20 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
62 (only retried tests)	49	0	0	0	13

🟢 2025-11-14 18:53:26 UTC Build successful.
🟢 2025-11-14 18:53:46 UTC ydbd size 2.3 GiB changed* by +176 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 0459711	merge: 5f046e0	diff	diff %
ydbd size	2 479 861 256 Bytes	2 479 861 432 Bytes	+176 Bytes	+0.000%
ydbd stripped size	520 820 720 Bytes	520 820 784 Bytes	+64 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-11-14 17:09:08 UTC Pre-commit check linux-x86_64-release-asan for 5f046e0 has started.
⚪ 2025-11-14 17:09:27 UTC Artifacts will be uploaded here
⚪ 2025-11-14 17:11:49 UTC ya make is running...
🟡 2025-11-14 19:11:32 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
15813	15307	0	205	272	29

🟢 2025-11-14 19:11:42 UTC Build successful.
🟢 2025-11-14 19:12:11 UTC ydbd size 3.9 GiB changed* by +1.8 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 0459711	merge: 5f046e0	diff	diff %
ydbd size	4 136 479 280 Bytes	4 136 481 096 Bytes	+1.8 KiB	+0.000%
ydbd stripped size	1 522 590 760 Bytes	1 522 591 144 Bytes	+384 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}