improve chunks splitter performance

[ivanmorozov333]

• Improvement
• Performance improvement

[github-actions]

⚪ 2024-08-12 13:46:37 UTC Pre-commit check for bae7c4e has started.
⚪ 2024-08-12 13:50:00 UTC Check linux-x86_64-release-clang14 is running...
🟢 2024-08-12 14:12:53 UTC Build successful.

[github-actions]

⚪ 2024-08-12 13:47:38 UTC Pre-commit check for bae7c4e has started.
⚪ 2024-08-12 13:50:25 UTC Check linux-x86_64-relwithdebinfo is running...
🟡 2024-08-12 15:24:11 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38647	33323	0	3	5307	14

⚪ 2024-08-12 15:28:51 UTC Failed tests rerun (try 2) linux-x86_64-relwithdebinfo is running...
🟢 2024-08-12 15:39:26 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
20 (only retried tests)	11	0	0	0	9

🟢 2024-08-12 15:39:35 UTC Build successful.
🟢 2024-08-12 15:40:10 UTC ydbd size 8.1 GiB changed* by +44.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 9095bb1	merge: bae7c4e	diff	diff %
ydbd size	8 694 543 152 Bytes	8 694 588 880 Bytes	+44.7 KiB	+0.001%
ydbd stripped size	472 914 216 Bytes	472 917 416 Bytes	+3.1 KiB	+0.001%

^{*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]

⚪ 2024-08-13 13:59:03 UTC Pre-commit check for bae7c4e has started.
⚪ 2024-08-13 14:04:21 UTC Check linux-x86_64-release-asan is running...
🔴 2024-08-13 16:21:57 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9856	9800	0	12	27	17

🟢 2024-08-13 16:23:05 UTC Build successful.
🟡 2024-08-13 16:23:35 UTC ydbd size 5.4 GiB changed* by +102.4 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 77e599f	merge: bae7c4e	diff	diff %
ydbd size	5 847 085 232 Bytes	5 847 190 040 Bytes	+102.4 KiB	+0.002%
ydbd stripped size	1 468 640 368 Bytes	1 468 660 720 Bytes	+19.9 KiB	+0.001%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}