Limit SelfHeal reassign requests in-flight (#17618)

[serbel324]

Changelog entry

Don't allow SelfHeal actor to create more than 1 active ReassignerActor. This change will prevent SelfHeal from overloading BSC with ReassignItem requests thus causing DoS. (#17618)

Changelog category

• Improvement

[github-actions]

🟢 2025-05-15 09:26:00 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-05-14 11:48:24 UTC Pre-commit check linux-x86_64-release-asan for fb5b943 has started.
⚪ 2025-05-14 11:48:36 UTC Artifacts will be uploaded here
⚪ 2025-05-14 11:51:27 UTC ya make is running...
🟡 2025-05-14 13:04:15 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12134	12013	0	39	49	33

⚪ 2025-05-14 13:05:19 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-14 13:25:36 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
164 (only retried tests)	84	0	8	41	31

⚪ 2025-05-14 13:25:47 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-14 13:46:16 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
106 (only retried tests)	29	0	8	38	31

🟢 2025-05-14 13:46:25 UTC Build successful.
🟢 2025-05-14 13:46:53 UTC ydbd size 3.6 GiB changed* by +38.5 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: fd5ab83	merge: fb5b943	diff	diff %
ydbd size	3 912 237 872 Bytes	3 912 277 280 Bytes	+38.5 KiB	+0.001%
ydbd stripped size	1 368 326 000 Bytes	1 368 342 192 Bytes	+15.8 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]

⚪ 2025-05-14 12:28:48 UTC Pre-commit check linux-x86_64-relwithdebinfo for fb5b943 has started.
⚪ 2025-05-14 12:28:56 UTC Artifacts will be uploaded here
⚪ 2025-05-14 12:31:46 UTC ya make is running...
🟡 2025-05-14 13:26:53 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
19165	17883	0	5	1212	65

⚪ 2025-05-14 13:28:33 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-14 13:49:13 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
128 (only retried tests)	64	0	1	6	57

⚪ 2025-05-14 13:49:22 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-05-14 14:10:22 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
116 (only retried tests)	60	0	0	0	56

🟢 2025-05-14 14:10:29 UTC Build successful.
🟢 2025-05-14 14:10:50 UTC ydbd size 2.1 GiB changed* by +26.1 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: fd5ab83	merge: fb5b943	diff	diff %
ydbd size	2 248 979 944 Bytes	2 249 006 704 Bytes	+26.1 KiB	+0.001%
ydbd stripped size	475 951 480 Bytes	475 959 992 Bytes	+8.3 KiB	+0.002%

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