observability for tablet starts (#6584)

[vporyadke]

Changelog entry

add sensors for duration of tablet starts and number of tablets currently starting

Changelog category

• New feature

Additional information

...

[github-actions]

⚪ 2024-11-05 10:05:14 UTC Pre-commit check for c0f1ced has started.
⚪ 2024-11-05 10:07:58 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-11-05 10:25:31 UTC Build successful.

[github-actions]

⚪ 2024-11-05 10:06:24 UTC Pre-commit check for c0f1ced has started.
⚪ 2024-11-05 10:09:39 UTC Build linux-x86_64-release-asan is running...
🟢 2024-11-05 10:35:09 UTC Build successful.
⚪ 2024-11-05 10:35:25 UTC Tests are running...
🔴 2024-11-05 12:48:49 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11549	11440	0	41	26	42

🟢 2024-11-05 12:49:37 UTC ydbd size 5.6 GiB changed* by +13.2 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 66baaeb	merge: c0f1ced	diff	diff %
ydbd size	5 990 435 688 Bytes	5 990 449 240 Bytes	+13.2 KiB	+0.000%
ydbd stripped size	1 501 492 352 Bytes	1 501 495 424 Bytes	+3.0 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]

⚪ 2024-11-05 10:06:36 UTC Pre-commit check for c0f1ced has started.
⚪ 2024-11-05 10:09:57 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-11-05 10:58:41 UTC Build successful.
⚪ 2024-11-05 10:59:01 UTC Tests are running...
🔴 2024-11-05 12:58:08 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
40100	34822	0	18	5218	42

🟢 2024-11-05 12:58:51 UTC ydbd size 8.2 GiB changed* by +19.5 KiB, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 66baaeb	merge: c0f1ced	diff	diff %
ydbd size	8 856 905 680 Bytes	8 856 925 624 Bytes	+19.5 KiB	+0.000%
ydbd stripped size	483 653 544 Bytes	483 654 760 Bytes	+1.2 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}