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Refactor Cache Optimization to Bulk-Sync Model#6

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ProjectInitiative merged 1 commit intonixos-integration-test-10565240411368607104from
refactor-cache-bulk-sync-11670314188469532262
Feb 28, 2026
Merged

Refactor Cache Optimization to Bulk-Sync Model#6
ProjectInitiative merged 1 commit intonixos-integration-test-10565240411368607104from
refactor-cache-bulk-sync-11670314188469532262

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Refactored the cache optimization to utilize a bulk-sync LIST model instead of individual HEAD requests per path. This improves performance and reduces network overhead significantly. The default concurrency limit was also raised.


PR created automatically by Jules for task 11670314188469532262 started by @ProjectInitiative

- Added `list_all_hashes` to `RemoteCacheStorage` trait.
- Added `is_scan_complete` and `set_scan_complete` to `LocalCacheStorage` trait.
- Implemented bulk warmup logic in `CacheChecker::check_paths` to fetch and store all remote hashes on startup if the local cache is empty.
- Implemented `list_all_hashes` for `S3Uploader` using the existing `list_all_narinfo_keys` method.
- Linked `LocalCache`'s `redb` state methods (`is_scan_complete`, `set_scan_complete`) to the `LocalCacheStorage` trait.
- Increased default `upload_threads` to 32 in `config.rs` to optimize concurrency for remote and local operations.

Co-authored-by: ProjectInitiative <6314611+ProjectInitiative@users.noreply.github.com>
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@ProjectInitiative ProjectInitiative merged commit 78c3bf7 into nixos-integration-test-10565240411368607104 Feb 28, 2026
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