[Backport stable-25-2-1] Use default value of BufferPageAllocSize from proto

[ydbot]

Description

Backport of #28237 to stable-25-2-1.

[ydbot]

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin backport-28237-to-stable-25-2-1
git worktree add --checkout .worktree/backport-28237-to-stable-25-2-1 backport-28237-to-stable-25-2-1
cd .worktree/backport-28237-to-stable-25-2-1
git reset --hard HEAD^
git cherry-pick -x 181580aae55742f9625f70e448d2bce359aba9b4
git push --force-with-lease

[github-actions]

⚪ 2025-11-06 15:37:29 UTC Pre-commit check linux-x86_64-release-asan for b965da6 has started.
⚪ 2025-11-06 15:38:05 UTC Artifacts will be uploaded here
⚪ 2025-11-06 15:41:38 UTC ya make is running...
🔴 2025-11-06 15:44:34 UTC Build failed, see the logs. Also see fail summary

[github-actions]

🟢 2025-11-06 15:38:45 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-11-06 15:39:52 UTC Pre-commit check linux-x86_64-relwithdebinfo for b965da6 has started.
⚪ 2025-11-06 15:40:09 UTC Artifacts will be uploaded here
⚪ 2025-11-06 15:43:13 UTC ya make is running...
🔴 2025-11-06 15:46:02 UTC Build failed, see the logs. Also see fail summary

[github-actions]

⚪ 2025-11-06 16:35:05 UTC Pre-commit check linux-x86_64-release-asan for 882e112 has started.
⚪ 2025-11-06 16:35:21 UTC Artifacts will be uploaded here
⚪ 2025-11-06 16:38:23 UTC ya make is running...
🟡 2025-11-06 17:51:06 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?
12698	12497	0	39	127	35

⚪ 2025-11-06 17:52:18 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-06 18:04:01 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
250 (only retried tests)	217	0	0	2	31

🟢 2025-11-06 18:04:12 UTC Build successful.
🟢 2025-11-06 18:04:36 UTC ydbd size 3.8 GiB changed* by +496 Bytes, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: 9141c92	merge: 882e112	diff	diff %
ydbd size	4 049 953 832 Bytes	4 049 954 328 Bytes	+496 Bytes	+0.000%
ydbd stripped size	1 409 675 864 Bytes	1 409 676 120 Bytes	+256 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]

⚪ 2025-11-06 16:38:16 UTC Pre-commit check linux-x86_64-relwithdebinfo for 882e112 has started.
⚪ 2025-11-06 16:38:33 UTC Artifacts will be uploaded here
⚪ 2025-11-06 16:41:29 UTC ya make is running...
🟡 2025-11-06 17:36:13 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?
26671	25393	0	5	1226	47

⚪ 2025-11-06 17:38:42 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-06 17:52:50 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
97 (only retried tests)	54	0	0	4	39

🟢 2025-11-06 17:52:58 UTC Build successful.
🟢 2025-11-06 17:53:16 UTC ydbd size 2.2 GiB changed* by +192 Bytes, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: 9141c92	merge: 882e112	diff	diff %
ydbd size	2 327 018 704 Bytes	2 327 018 896 Bytes	+192 Bytes	+0.000%
ydbd stripped size	487 606 056 Bytes	487 606 120 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}