3 апреля 2026, 07:30Технологии и научные открытия
4KB (Vec) heap allocation on every read. The page cache returns data via .to_vec(), which creates a new allocation and copies it into the Vec even on cache hits. SQLite returns a direct pointer into pinned cache memory, creating zero copies. The Fjall database team measured this exact anti-pattern at 44% of runtime before building a custom ByteView type to eliminate it.，更多细节参见钉钉下载
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Автор: Лина Пивоварова (международный отдел)