Optimize CPU usage when read blob (always use count limit)

[nshestakov]

Changelog entry

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Additional information

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[github-actions]

⚪ 2024-12-07 14:47:19 UTC Pre-commit check for 02ba2ca has started.
⚪ 2024-12-07 14:49:53 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-12-07 15:31:10 UTC Build successful.
⚪ 2024-12-07 15:31:24 UTC Tests are running...
🔴 2024-12-07 16:59:12 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14675	13310	0	12	1311	42

🟢 2024-12-07 17:00:00 UTC ydbd size 8.3 GiB changed* by +480 Bytes, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 254d1a5	merge: 02ba2ca	diff	diff %
ydbd size	8 868 455 104 Bytes	8 868 455 584 Bytes	+480 Bytes	+0.000%
ydbd stripped size	484 089 192 Bytes	484 089 256 Bytes	+64 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]

⚪ 2024-12-07 14:48:05 UTC Pre-commit check for 02ba2ca has started.
⚪ 2024-12-07 14:50:40 UTC Build linux-x86_64-release-asan is running...
🟢 2024-12-07 15:13:46 UTC Build successful.
⚪ 2024-12-07 15:14:10 UTC Tests are running...
🔴 2024-12-07 17:15:46 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10350	10264	0	20	27	39

🟢 2024-12-07 17:16:31 UTC ydbd size 5.6 GiB changed* by -4.0 KiB, which is <= 0 Bytes vs stable-24-3: OK

ydbd size dash	stable-24-3: 254d1a5	merge: 02ba2ca	diff	diff %
ydbd size	5 998 757 008 Bytes	5 998 752 912 Bytes	-4.0 KiB	-0.000%
ydbd stripped size	1 503 282 496 Bytes	1 503 281 728 Bytes	-768 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]

⚪ 2024-12-09 11:48:39 UTC Pre-commit check for ab5341b has started.
⚪ 2024-12-09 11:51:19 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-12-09 12:30:31 UTC Build successful.
⚪ 2024-12-09 12:30:46 UTC Tests are running...
🔴 2024-12-09 13:57:52 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14673	13322	0	10	1302	39

🟢 2024-12-09 13:58:49 UTC ydbd size 8.3 GiB changed* by +544 Bytes, which is < 100.0 KiB vs stable-24-3: OK

ydbd size dash	stable-24-3: 254d1a5	merge: ab5341b	diff	diff %
ydbd size	8 868 455 104 Bytes	8 868 455 648 Bytes	+544 Bytes	+0.000%
ydbd stripped size	484 089 192 Bytes	484 089 192 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]

⚪ 2024-12-09 11:48:46 UTC Pre-commit check for ab5341b has started.
⚪ 2024-12-09 11:51:27 UTC Build linux-x86_64-release-asan is running...
🟢 2024-12-09 12:15:10 UTC Build successful.
⚪ 2024-12-09 12:15:28 UTC Tests are running...
🔴 2024-12-09 14:22:43 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10349	10263	0	18	28	40

🟢 2024-12-09 14:23:27 UTC ydbd size 5.6 GiB changed* by -544 Bytes, which is <= 0 Bytes vs stable-24-3: OK

ydbd size dash	stable-24-3: 254d1a5	merge: ab5341b	diff	diff %
ydbd size	5 998 757 008 Bytes	5 998 756 464 Bytes	-544 Bytes	-0.000%
ydbd stripped size	1 503 282 496 Bytes	1 503 282 176 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}