LOGBROKER-10113 Do not write wal when writing snapshot

[kuzin57]

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]

🟢 2026-01-04 01:33:59 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2026-01-04 02:13:49 UTC Pre-commit check linux-x86_64-release-asan for a3f48b3 has started.
⚪ 2026-01-04 02:14:00 UTC Artifacts will be uploaded here
⚪ 2026-01-04 02:15:22 UTC ya make is running...
🟡 2026-01-04 03:27:22 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?
13888	13590	0	186	82	30

🟢 2026-01-04 03:27:32 UTC Build successful.
🟢 2026-01-04 03:28:02 UTC ydbd size 3.8 GiB changed* by -96 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 5dd51d5	merge: a3f48b3	diff	diff %
ydbd size	4 104 384 096 Bytes	4 104 384 000 Bytes	-96 Bytes	-0.000%
ydbd stripped size	1 535 381 104 Bytes	1 535 381 040 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]

⚪ 2026-01-04 02:19:21 UTC Pre-commit check linux-x86_64-relwithdebinfo for a3f48b3 has started.
⚪ 2026-01-04 02:19:35 UTC Artifacts will be uploaded here
⚪ 2026-01-04 02:21:07 UTC ya make is running...
🟡 2026-01-04 03:59:59 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?
35692	34043	0	9	1600	40

⚪ 2026-01-04 04:00:14 UTC ya make is running... (failed tests rerun, try 2)
🟡 2026-01-04 04:12:56 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?
718 (only retried tests)	628	0	3	74	13

⚪ 2026-01-04 04:13:03 UTC ya make is running... (failed tests rerun, try 3)
🔴 2026-01-04 04:24:07 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
262 (only retried tests)	174	0	3	74	11

🟢 2026-01-04 04:24:14 UTC Build successful.
🟢 2026-01-04 04:24:43 UTC ydbd size 2.3 GiB changed* by +16 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 5dd51d5	merge: a3f48b3	diff	diff %
ydbd size	2 495 883 312 Bytes	2 495 883 328 Bytes	+16 Bytes	+0.000%
ydbd stripped size	530 644 992 Bytes	530 644 992 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}