guarantee data source order on CS

[swalrus1]

Changelog entry

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Changelog category

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Description for reviewers

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[ydbot]

Run Extra Tests

Run additional tests for this PR. You can customize:

• Test Size: small, medium, large (default: all)
• Test Targets: any directory path (default: ydb/)
• Sanitizers: ASAN, MSAN, TSAN
• Coredumps: enable for debugging (default: off)
• Additional args: custom ya make arguments

[github-actions]

⚪ 2025-12-23 15:24:05 UTC Pre-commit check linux-x86_64-relwithdebinfo for 7978d26 has started.
⚪ 2025-12-23 15:24:22 UTC Artifacts will be uploaded here
⚪ 2025-12-23 15:26:31 UTC ya make is running...
⚫ 2025-12-23 15:33:05 UTC Check cancelled

[github-actions]

⚪ 2025-12-23 15:24:32 UTC Pre-commit check linux-x86_64-release-asan for 7978d26 has started.
⚪ 2025-12-23 15:24:50 UTC Artifacts will be uploaded here
⚪ 2025-12-23 15:27:04 UTC ya make is running...
⚫ 2025-12-23 15:33:06 UTC Check cancelled

[github-actions]

🟢 2025-12-23 15:25:51 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-12-23 15:34:31 UTC Pre-commit check linux-x86_64-relwithdebinfo for dc07a7d has started.
⚪ 2025-12-23 15:34:51 UTC Artifacts will be uploaded here
⚪ 2025-12-23 15:37:02 UTC ya make is running...
🟡 2025-12-23 18:34:26 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
46784	43164	0	192	3391	37

⚪ 2025-12-23 18:34:44 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-12-23 19:14:22 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
2048 (only retried tests)	2029	0	2	0	17

⚪ 2025-12-23 19:14:30 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-12-23 19:23:13 UTC Some tests failed, follow the links below.

Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
339 (only retried tests)	326	0	1	0	12

🟢 2025-12-23 19:23:19 UTC Build successful.
🟢 2025-12-23 19:23:46 UTC ydbd size 2.3 GiB changed* by +21.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 09f1cae	merge: dc07a7d	diff	diff %
ydbd size	2 486 521 800 Bytes	2 486 544 056 Bytes	+21.7 KiB	+0.001%
ydbd stripped size	529 311 712 Bytes	529 317 952 Bytes	+6.1 KiB	+0.001%

^{*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]

⚪ 2025-12-23 15:34:31 UTC Pre-commit check linux-x86_64-release-asan for dc07a7d has started.
⚪ 2025-12-23 15:34:48 UTC Artifacts will be uploaded here
⚪ 2025-12-23 15:36:55 UTC ya make is running...
🟡 2025-12-23 17:27:03 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?
15834	15708	0	104	8	14

🟢 2025-12-23 17:27:14 UTC Build successful.
🟢 2025-12-23 17:27:44 UTC ydbd size 3.8 GiB changed* by +39.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 09f1cae	merge: dc07a7d	diff	diff %
ydbd size	4 086 795 328 Bytes	4 086 836 008 Bytes	+39.7 KiB	+0.001%
ydbd stripped size	1 530 347 384 Bytes	1 530 366 872 Bytes	+19.0 KiB	+0.001%

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