Fix vanishing node bug

[alexvru]

Changelog entry

Fix vanishing node bug

Changelog category

• Bugfix

Description for reviewers

#16581

This fixes vanishing node bug leading to assertion failure when removing some nodes from the cluster using old-style configuration mechanism.

[github-actions]

⚪ 2025-04-01 11:15:06 UTC Pre-commit check linux-x86_64-relwithdebinfo for 13b6196 has started.
⚫ 2025-04-01 11:15:59 UTC Check cancelled

[github-actions]

⚪ 2025-04-01 11:15:27 UTC Pre-commit check linux-x86_64-release-asan for 13b6196 has started.
⚪ 2025-04-01 11:15:36 UTC Artifacts will be uploaded here
⚫ 2025-04-01 11:16:05 UTC Check cancelled

[github-actions]

🟢 2025-04-01 11:15:37 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-04-01 11:24:31 UTC Pre-commit check linux-x86_64-release-asan for f1cdc22 has started.
⚪ 2025-04-01 11:24:47 UTC Artifacts will be uploaded here
⚪ 2025-04-01 11:27:44 UTC ya make is running...
🟡 2025-04-01 12:49:39 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?
12467	12317	0	104	9	37

⚪ 2025-04-01 12:50:48 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-04-01 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 | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
219 (only retried tests)	144	0	41	2	32

⚪ 2025-04-01 13:04:24 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-04-01 13:16:31 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?
105 (only retried tests)	38	0	32	4	31

🟢 2025-04-01 13:16:39 UTC Build successful.
🟢 2025-04-01 13:17:10 UTC ydbd size 3.8 GiB changed* by +4.3 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: a1278fe	merge: f1cdc22	diff	diff %
ydbd size	4 122 452 800 Bytes	4 122 457 168 Bytes	+4.3 KiB	+0.000%
ydbd stripped size	1 424 529 128 Bytes	1 424 530 664 Bytes	+1.5 KiB	+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]

⚪ 2025-04-01 11:24:58 UTC Pre-commit check linux-x86_64-relwithdebinfo for f1cdc22 has started.
⚪ 2025-04-01 11:25:14 UTC Artifacts will be uploaded here
⚪ 2025-04-01 11:28:00 UTC ya make is running...
🟡 2025-04-01 12:25:55 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?
19924	18555	0	9	1249	111

⚪ 2025-04-01 12:27:49 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-04-01 12:38:34 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?
176 (only retried tests)	72	0	2	0	102

⚪ 2025-04-01 12:38:45 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-04-01 12:48:54 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
143 (only retried tests)	42	0	0	0	101

🟢 2025-04-01 12:49:03 UTC Build successful.
🟢 2025-04-01 12:49:27 UTC ydbd size 2.2 GiB changed* by +2.1 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: a1278fe	merge: f1cdc22	diff	diff %
ydbd size	2 349 635 424 Bytes	2 349 637 552 Bytes	+2.1 KiB	+0.000%
ydbd stripped size	491 489 984 Bytes	491 490 432 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}