RejectProbability counter added

[neyrox]

Changelog entry

Counter for current (last) RejectProbability value
#21936

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

Initial range from 0 to 1
Scaled range (because counter in integer is 0 to 100)

[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 10:08:53 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-12-12 10:08:05 UTC Pre-commit check linux-x86_64-relwithdebinfo for 8298cf1 has started.
⚪ 2025-12-12 10:08:30 UTC Artifacts will be uploaded here
⚪ 2025-12-12 10:10:44 UTC ya make is running...
🟡 2025-12-12 12:40:00 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
40507	37570	0	7	2903	27

⚪ 2025-12-12 12:40:15 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-12-12 12:54:57 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
55 (only retried tests)	40	0	0	0	15

🟢 2025-12-12 12:55:04 UTC Build successful.
🟢 2025-12-12 12:55:29 UTC ydbd size 2.3 GiB changed* by +1.2 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 7fe9277	merge: 8298cf1	diff	diff %
ydbd size	2 468 806 360 Bytes	2 468 807 560 Bytes	+1.2 KiB	+0.000%
ydbd stripped size	525 344 608 Bytes	525 345 056 Bytes	+448 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]

⚪ 2025-12-12 10:08:23 UTC Pre-commit check linux-x86_64-release-asan for 8298cf1 has started.
⚪ 2025-12-12 10:09:05 UTC Artifacts will be uploaded here
⚪ 2025-12-12 10:10:58 UTC ya make is running...
🟡 2025-12-12 11:40:43 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?
12333	12236	0	78	7	12

🟢 2025-12-12 11:40:51 UTC Build successful.
🟢 2025-12-12 11:41:22 UTC ydbd size 3.9 GiB changed* by +2.1 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 7fe9277	merge: 8298cf1	diff	diff %
ydbd size	4 134 217 592 Bytes	4 134 219 712 Bytes	+2.1 KiB	+0.000%
ydbd stripped size	1 534 515 928 Bytes	1 534 516 760 Bytes	+832 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}