Portion order fix + more debug

[XJIE6]

Changelog entry

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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]

🟢 2025-12-12 10:50:01 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-12-12 10:51:09 UTC Pre-commit check linux-x86_64-relwithdebinfo for 0090c2c has started.
⚪ 2025-12-12 10:53:09 UTC Artifacts will be uploaded here
⚪ 2025-12-12 10:56:49 UTC ya make is running...
🟡 2025-12-12 12:31:10 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
31083	29753	0	5	1304	21

⚪ 2025-12-12 12:31:19 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-12-12 12:48:33 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
811 (only retried tests)	794	0	0	3	14

🟢 2025-12-12 12:48:36 UTC Build successful.
🟢 2025-12-12 12:48:55 UTC ydbd size 2.3 GiB changed* by -30.8 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 7fe9277	merge: 0090c2c	diff	diff %
ydbd size	2 468 806 360 Bytes	2 436 541 176 Bytes	-30.8 MiB	-1.307%
ydbd stripped size	525 344 608 Bytes	521 184 136 Bytes	-4.0 MiB	-0.792%

^{*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]

⚪ 2025-12-12 10:52:32 UTC Pre-commit check linux-x86_64-release-asan for 0090c2c has started.
⚪ 2025-12-12 10:52:50 UTC Artifacts will be uploaded here
⚪ 2025-12-12 10:56:17 UTC ya make is running...
🟡 2025-12-12 12:56:33 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?
15434	14970	0	148	298	18

🟢 2025-12-12 12:56:38 UTC Build successful.
🟢 2025-12-12 12:57:08 UTC ydbd size 3.8 GiB changed* by -75.7 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 7fe9277	merge: 0090c2c	diff	diff %
ydbd size	4 134 217 592 Bytes	4 054 827 376 Bytes	-75.7 MiB	-1.920%
ydbd stripped size	1 534 515 928 Bytes	1 510 625 536 Bytes	-22.8 MiB	-1.557%

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