Zero-copy page cache. The pcache returns direct pointers into pinned memory. No copies. Production Rust databases have solved this too. sled uses inline-or-Arc-backed IVec buffers, Fjall built a custom ByteView type, redb wrote a user-space page cache in ~565 lines. The .to_vec() anti-pattern is known and documented. The reimplementation used it anyway.
Nature, Published online: 03 March 2026; doi:10.1038/d41586-026-00679-6。关于这个话题，新收录的资料提供了深入分析
Дания захотела отказать в убежище украинцам призывного возраста09:44，更多细节参见新收录的资料
What TransformStreams are supposed to do is check for backpressure on the controller and use promises to communicate that back to the writer: