fixes for down/frozen node counters

[vporyadke]

Changelog entry

fix sensors on nodes marked down https://github.com/ydb-platform/ydb/issues/30196

Changelog category

• Bugfix

Description for reviewers

...

[github-actions[bot]]

:green_circle: 2025-12-12 10:49:45 UTC The validation of the Pull Request description is successful.

[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[bot]]

:white_circle: 2025-12-12 10:51:07 UTC Pre-commit check linux-x86_64-relwithdebinfo for a760fa83af1339441595563c4751a550ad7675a8 has started. :white_circle: 2025-12-12 10:51:11 UTC Artifacts will be uploaded here :white_circle: 2025-12-12 10:52:30 UTC ya make is running... :yellow_circle: 2025-12-12 12:39:53 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
40159	37213	0	6	2902	38

:white_circle: 2025-12-12 12:40:09 UTC ya make is running... (failed tests rerun, try 2) :green_circle: 2025-12-12 13:00:23 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
68 (only retried tests)	51	0	0	0	17

:green_circle: 2025-12-12 13:00:31 UTC Build successful. :green_circle: 2025-12-12 13:00:57 UTC ydbd size 2.3 GiB changed* by +272 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 7fe9277b79b8d3dcbcd81a3e3c3d870e6c3b7812	merge: a760fa83af1339441595563c4751a550ad7675a8	diff	diff %
ydbd size	2 468 806 360 Bytes	2 468 806 632 Bytes	+272 Bytes	+0.000%
ydbd stripped size	525 344 608 Bytes	525 344 736 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[bot]]

:white_circle: 2025-12-12 10:53:31 UTC Pre-commit check linux-x86_64-release-asan for a760fa83af1339441595563c4751a550ad7675a8 has started. :white_circle: 2025-12-12 10:53:48 UTC Artifacts will be uploaded here :white_circle: 2025-12-12 10:55:52 UTC ya make is running... :yellow_circle: 2025-12-12 12:01:47 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?
11993	11907	0	65	8	13

:green_circle: 2025-12-12 12:01:56 UTC Build successful. :green_circle: 2025-12-12 12:02:26 UTC ydbd size 3.9 GiB changed* by +272 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 7fe9277b79b8d3dcbcd81a3e3c3d870e6c3b7812	merge: a760fa83af1339441595563c4751a550ad7675a8	diff	diff %
ydbd size	4 134 217 592 Bytes	4 134 217 864 Bytes	+272 Bytes	+0.000%
ydbd stripped size	1 534 515 928 Bytes	1 534 515 992 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}

[ydbot]

Backport

To backport this PR, click the button next to the target branch and then click "Run workflow" in the Run Actions UI.

Branch	Run
stable-25-2, stable-25-2-1, stable-25-3, stable-25-3-1
stable-25-3, stable-25-3-1
stable-25-3

[ydbot]

Backport results:

• stable-25-2: draft PR https://github.com/ydb-platform/ydb/pull/30667 (contains conflicts requiring manual resolution)
• stable-25-2-1: draft PR https://github.com/ydb-platform/ydb/pull/30669 (contains conflicts requiring manual resolution)
• stable-25-3: PR https://github.com/ydb-platform/ydb/pull/30671
• stable-25-3-1: PR https://github.com/ydb-platform/ydb/pull/30673

workflow run