do not trigger emergency balancer when all nodes have high usage (#6532)

[vporyadke]

Changelog entry

KIKIMR-21638
do not trigger tablet balancer when all nodes have high usage

Changelog category

• Performance improvement

Additional information

backport of #6532

[github-actions]

⚪ 2024-07-16 08:11:51 UTC Pre-commit check for 42e57bf has started.
⚪ 2024-07-16 08:14:34 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-07-16 08:43:47 UTC Build successful.

[github-actions]

⚪ 2024-07-16 08:12:05 UTC Pre-commit check for 42e57bf has started.
⚪ 2024-07-16 08:14:49 UTC Build linux-x86_64-release-asan is running...
🟢 2024-07-16 08:52:51 UTC Build successful.
⚪ 2024-07-16 08:53:05 UTC Tests are running...
🔴 2024-07-16 10:50:06 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11239	10665	0	81	321	172

🟢 2024-07-16 10:50:51 UTC ydbd size 5.2 GiB changed* by +9.4 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 14c79b8	merge: 42e57bf	diff	diff %
ydbd size	5 616 609 688 Bytes	5 616 619 264 Bytes	+9.4 KiB	+0.000%
ydbd stripped size	1 211 261 800 Bytes	1 211 262 120 Bytes	+320 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]

⚪ 2024-07-16 08:12:21 UTC Pre-commit check for 42e57bf has started.
⚪ 2024-07-16 08:15:08 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-07-16 09:15:57 UTC Build successful.
⚪ 2024-07-16 09:16:13 UTC Tests are running...
🔴 2024-07-16 11:06:29 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39756	34521	0	1	5221	13

🟢 2024-07-16 11:07:18 UTC ydbd size 8.1 GiB changed* by +9.2 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 14c79b8	merge: 42e57bf	diff	diff %
ydbd size	8 727 365 536 Bytes	8 727 375 000 Bytes	+9.2 KiB	+0.000%
ydbd stripped size	477 191 496 Bytes	477 191 752 Bytes	+256 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}

[maximyurchuk]

Упавший тест падает вне зависимости от текущей правки