Speedup and simpllify blob insertion

[zverevgeny]

No description provided.

[github-actions]

⚪ 2024-07-07 12:17:23 UTC Pre-commit check for 3eb99f3 has started.
⚪ 2024-07-07 12:19:59 UTC Build linux-x86_64-release-clang14 is running...
🟢 2024-07-07 12:32:58 UTC Build successful.

[github-actions]

⚪ 2024-07-07 12:17:24 UTC Pre-commit check for 3eb99f3 has started.
⚪ 2024-07-07 12:19:57 UTC Build linux-x86_64-relwithdebinfo is running...
🟢 2024-07-07 13:02:17 UTC Build successful.
⚪ 2024-07-07 13:02:36 UTC Tests are running...
🔴 2024-07-07 14:41:22 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39602	34370	0	2	5220	10

🟢 2024-07-07 14:41:59 UTC ydbd size 8.1 GiB changed* by -10.7 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: bc77d99	merge: 3eb99f3	diff	diff %
ydbd size	8 721 670 280 Bytes	8 721 659 328 Bytes	-10.7 KiB	-0.000%
ydbd stripped size	476 619 640 Bytes	476 618 936 Bytes	-704 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]

⚪ 2024-07-07 12:17:29 UTC Pre-commit check for 3eb99f3 has started.
⚪ 2024-07-07 12:20:02 UTC Build linux-x86_64-release-asan is running...
🟢 2024-07-07 12:47:44 UTC Build successful.
⚪ 2024-07-07 12:48:01 UTC Tests are running...
🔴 2024-07-07 14:44:30 UTC Some tests failed, follow the links below.

Test history | Test log

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11099	10522	0	84	320	173

🟢 2024-07-07 14:45:18 UTC ydbd size 5.2 GiB changed* by -10.7 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: bc77d99	merge: 3eb99f3	diff	diff %
ydbd size	5 614 059 552 Bytes	5 614 048 624 Bytes	-10.7 KiB	-0.000%
ydbd stripped size	1 209 973 912 Bytes	1 209 971 288 Bytes	-2.6 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}