25-1: handle follower dying while being promoted to leader

[vporyadke]

Changelog entry

fix a bug where a tablet would remain inactive after failing during promotion from follower to leader #14961

Changelog category

• Not for Changelog

Description for reviewers

I think I'm supposed to file this as not for changelog if I'm backporting to 2 stable branches at the same time?

[github-actions]

⚪ 2025-03-06 22:04:46 UTC Pre-commit check linux-x86_64-relwithdebinfo for b3af63c has started.
⚪ 2025-03-06 22:05:01 UTC Artifacts will be uploaded here
⚪ 2025-03-06 22:07:59 UTC ya make is running...
🟡 2025-03-06 23:12:20 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?
19136	17761	0	5	1230	140

⚪ 2025-03-06 23:13:52 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-06 23:35:17 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
229 (only retried tests)	91	0	0	6	132

🟢 2025-03-06 23:35:24 UTC Build successful.
🟢 2025-03-06 23:35:42 UTC ydbd size 2.1 GiB changed* by +1.7 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: f14b341	merge: b3af63c	diff	diff %
ydbd size	2 242 092 360 Bytes	2 242 094 104 Bytes	+1.7 KiB	+0.000%
ydbd stripped size	474 854 840 Bytes	474 855 288 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]

⚪ 2025-03-06 22:05:21 UTC Pre-commit check linux-x86_64-release-asan for b3af63c has started.
⚪ 2025-03-06 22:05:35 UTC Artifacts will be uploaded here
⚪ 2025-03-06 22:08:32 UTC ya make is running...
🟡 2025-03-06 23:19:36 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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11807	11693	0	69	5	40

⚪ 2025-03-06 23:20:38 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-06 23:41:27 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
165 (only retried tests)	129	0	0	0	36

🟢 2025-03-06 23:41:36 UTC Build successful.
🟢 2025-03-06 23:42:01 UTC ydbd size 3.6 GiB changed* by +3.2 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: f14b341	merge: b3af63c	diff	diff %
ydbd size	3 900 131 856 Bytes	3 900 135 104 Bytes	+3.2 KiB	+0.000%
ydbd stripped size	1 365 034 640 Bytes	1 365 035 984 Bytes	+1.3 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}