25-1: Refactor cache miss in DynamicNameserver to use one pipe

[pixcc]

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

Cherry-picked from #15161

[github-actions]

⚪ 2025-03-11 20:18:03 UTC Pre-commit check linux-x86_64-relwithdebinfo for 4a06e7c has started.
⚪ 2025-03-11 20:18:28 UTC Artifacts will be uploaded here
⚪ 2025-03-11 20:22:24 UTC ya make is running...
🟡 2025-03-11 22:10:59 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?
28480	25872	0	3	2465	140

⚪ 2025-03-11 22:13:37 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-11 22:34:43 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
218 (only retried tests)	81	0	0	6	131

🟢 2025-03-11 22:34:52 UTC Build successful.
🟢 2025-03-11 22:35:12 UTC ydbd size 2.1 GiB changed* by +56.0 KiB, which is < 100.0 KiB vs stable-25-1: OK

ydbd size dash	stable-25-1: 152bacf	merge: 4a06e7c	diff	diff %
ydbd size	2 242 450 488 Bytes	2 242 507 840 Bytes	+56.0 KiB	+0.003%
ydbd stripped size	474 936 056 Bytes	474 951 800 Bytes	+15.4 KiB	+0.003%

^{*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]

⚪ 2025-03-11 20:20:30 UTC Pre-commit check linux-x86_64-release-asan for 4a06e7c has started.
⚪ 2025-03-11 20:20:45 UTC Artifacts will be uploaded here
⚪ 2025-03-11 20:24:13 UTC ya make is running...
🟡 2025-03-11 22:14:28 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14131	13965	0	108	22	36

⚪ 2025-03-11 22:15:41 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-03-11 22:37:01 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
219 (only retried tests)	177	0	0	7	35

🟢 2025-03-11 22:37:08 UTC Build successful.
🟡 2025-03-11 22:37:36 UTC ydbd size 3.6 GiB changed* by +112.7 KiB, which is >= 100.0 KiB vs stable-25-1: Warning

ydbd size dash	stable-25-1: 152bacf	merge: 4a06e7c	diff	diff %
ydbd size	3 900 784 224 Bytes	3 900 899 632 Bytes	+112.7 KiB	+0.003%
ydbd stripped size	1 365 228 432 Bytes	1 365 278 544 Bytes	+48.9 KiB	+0.004%

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