fixed MaxCommittedTimeLag (#27553)

[nshestakov]

Changelog entry

Fixed the error of calculation of the consumer MaxCommittedTimeLag metric

Changelog category

• Bugfix

Description for reviewers

LOGBROKER-9526

[github-actions]

🟢 2025-10-27 09:59:58 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-10-27 10:01:04 UTC Pre-commit check linux-x86_64-relwithdebinfo for 83447ea has started.
⚪ 2025-10-27 10:01:19 UTC Artifacts will be uploaded here
⚪ 2025-10-27 10:04:28 UTC ya make is running...
🟡 2025-10-27 11:01:37 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
27043	25767	0	3	1227	46

⚪ 2025-10-27 11:04:02 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-10-27 11:40:14 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
90 (only retried tests)	50	0	0	1	39

🟢 2025-10-27 11:40:23 UTC Build successful.
🟢 2025-10-27 11:40:40 UTC ydbd size 2.2 GiB changed* by -96 Bytes, which is <= 0 Bytes vs stable-25-2: OK

ydbd size dash	stable-25-2: 3120a54	merge: 83447ea	diff	diff %
ydbd size	2 326 859 184 Bytes	2 326 859 088 Bytes	-96 Bytes	-0.000%
ydbd stripped size	487 575 816 Bytes	487 575 816 Bytes	0 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]

⚪ 2025-10-27 10:02:28 UTC Pre-commit check linux-x86_64-release-asan for 83447ea has started.
⚪ 2025-10-27 10:02:43 UTC Artifacts will be uploaded here
⚪ 2025-10-27 10:05:39 UTC ya make is running...
🟡 2025-10-27 11:19:29 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
12853	12658	0	58	105	32

⚪ 2025-10-27 11:20:36 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-27 11:47:52 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
243 (only retried tests)	210	0	1	1	31

⚪ 2025-10-27 11:48:15 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-10-27 12:03:16 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
61 (only retried tests)	31	0	0	0	30

🟢 2025-10-27 12:03:23 UTC Build successful.
🟢 2025-10-27 12:03:48 UTC ydbd size 3.8 GiB changed* by -480 Bytes, which is <= 0 Bytes vs stable-25-2: OK

ydbd size dash	stable-25-2: 3120a54	merge: 83447ea	diff	diff %
ydbd size	4 049 698 496 Bytes	4 049 698 016 Bytes	-480 Bytes	-0.000%
ydbd stripped size	1 409 591 864 Bytes	1 409 591 608 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}