fix compaction memory prediction for special case

[ivanmorozov333]

• Improvement
• Performance improvement

[github-actions]

⚪ 2024-11-13 12:45:47 UTC Pre-commit check linux-x86_64-relwithdebinfo for 9903471 has started.
⚪ 2024-11-13 12:45:59 UTC Artifacts will be uploaded here
⚪ 2024-11-13 12:48:52 UTC ya make is running...
⚫ 2024-11-13 12:49:34 UTC Check cancelled

[github-actions]

⚪ 2024-11-13 12:46:10 UTC Pre-commit check linux-x86_64-release-asan for 9903471 has started.
⚪ 2024-11-13 12:46:21 UTC Artifacts will be uploaded here
⚫ 2024-11-13 12:49:28 UTC Check cancelled

[github-actions]

⚪ 2024-11-13 12:51:13 UTC Pre-commit check linux-x86_64-release-asan for 48698b9 has started.
⚪ 2024-11-13 12:51:57 UTC Artifacts will be uploaded here
⚪ 2024-11-13 12:55:41 UTC ya make is running...
🟡 2024-11-13 14:04:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
8935	8831	0	45	11	48

🟢 2024-11-13 14:04:52 UTC Build successful.
🟢 2024-11-13 14:05:28 UTC ydbd size 5.7 GiB changed* by +512 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 519686a	merge: 48698b9	diff	diff %
ydbd size	6 171 366 248 Bytes	6 171 366 760 Bytes	+512 Bytes	+0.000%
ydbd stripped size	1 538 165 264 Bytes	1 538 165 392 Bytes	+128 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]

⚪ 2024-11-13 12:51:28 UTC Pre-commit check linux-x86_64-relwithdebinfo for 48698b9 has started.
⚪ 2024-11-13 12:51:39 UTC Artifacts will be uploaded here
⚪ 2024-11-13 12:54:40 UTC ya make is running...
🟡 2024-11-13 13:43:33 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?
15129	13603	0	8	1405	113

⚪ 2024-11-13 13:44:48 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-11-13 13:56:30 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
116 (only retried tests)	8	0	0	0	108

🟢 2024-11-13 13:56:39 UTC Build successful.
🟢 2024-11-13 13:57:00 UTC ydbd size 2.8 GiB changed* by +208 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 519686a	merge: 48698b9	diff	diff %
ydbd size	3 049 680 184 Bytes	3 049 680 392 Bytes	+208 Bytes	+0.000%
ydbd stripped size	482 435 680 Bytes	482 435 744 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}