deduplication memory fixes

[swalrus1]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

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[github-actions]

🟢 2025-08-07 15:10:29 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-08-07 15:12:51 UTC Pre-commit check linux-x86_64-release-asan for 04c20b5 has started.
⚪ 2025-08-07 15:13:05 UTC Artifacts will be uploaded here
⚪ 2025-08-07 15:16:48 UTC ya make is running...
🟡 2025-08-07 17:50:18 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?
16836	16399	0	107	306	24

🟢 2025-08-07 17:51:49 UTC Build successful.
🟢 2025-08-07 17:52:18 UTC ydbd size 4.0 GiB changed* by +35.9 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 47f183f	merge: 04c20b5	diff	diff %
ydbd size	4 247 837 272 Bytes	4 247 874 040 Bytes	+35.9 KiB	+0.001%
ydbd stripped size	1 469 922 040 Bytes	1 469 940 184 Bytes	+17.7 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]

⚪ 2025-08-07 15:13:58 UTC Pre-commit check linux-x86_64-relwithdebinfo for 04c20b5 has started.
⚪ 2025-08-07 15:14:13 UTC Artifacts will be uploaded here
⚪ 2025-08-07 15:17:56 UTC ya make is running...
🟡 2025-08-07 17:17:16 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?
39419	36633	0	8	2750	28

⚪ 2025-08-07 17:20:51 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-08-07 17:34:23 UTC Some tests failed, follow the links below. Going to retry failed tests...

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1174 (only retried tests)	1103	0	1	50	20

⚪ 2025-08-07 17:34:36 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-08-07 17:46:32 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
668 (only retried tests)	597	0	1	50	20

🟢 2025-08-07 17:46:42 UTC Build successful.
🟢 2025-08-07 17:47:02 UTC ydbd size 2.2 GiB changed* by +16.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 47f183f	merge: 04c20b5	diff	diff %
ydbd size	2 414 537 464 Bytes	2 414 554 576 Bytes	+16.7 KiB	+0.001%
ydbd stripped size	504 890 664 Bytes	504 897 768 Bytes	+6.9 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}

[github-actions]

⚪ 2025-08-08 07:27:24 UTC Pre-commit check linux-x86_64-relwithdebinfo for cc9924d has started.
⚪ 2025-08-08 07:27:41 UTC Artifacts will be uploaded here
⚪ 2025-08-08 07:31:36 UTC ya make is running...
🟡 2025-08-08 09:34:27 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?
39441	36637	0	4	2759	41

⚪ 2025-08-08 09:38:08 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-08-08 09:54:10 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1380 (only retried tests)	1304	0	0	53	23

🟢 2025-08-08 09:54:26 UTC Build successful.
🟢 2025-08-08 09:54:49 UTC ydbd size 2.2 GiB changed* by +12.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 546769d	merge: cc9924d	diff	diff %
ydbd size	2 414 813 432 Bytes	2 414 826 480 Bytes	+12.7 KiB	+0.001%
ydbd stripped size	504 942 632 Bytes	504 945 672 Bytes	+3.0 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]

⚪ 2025-08-08 07:27:24 UTC Pre-commit check linux-x86_64-release-asan for cc9924d has started.
⚪ 2025-08-08 07:27:40 UTC Artifacts will be uploaded here
⚪ 2025-08-08 07:31:39 UTC ya make is running...
🟡 2025-08-08 10:19:04 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?
16854	16332	0	187	313	22

🟢 2025-08-08 10:20:44 UTC Build successful.
🟢 2025-08-08 10:21:12 UTC ydbd size 4.0 GiB changed* by +32.0 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 546769d	merge: cc9924d	diff	diff %
ydbd size	4 248 374 976 Bytes	4 248 407 736 Bytes	+32.0 KiB	+0.001%
ydbd stripped size	1 470 078 744 Bytes	1 470 092 856 Bytes	+13.8 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}