其实消费者的核心诉求只有两条：一是好吃便宜（“好吃”虽无统一标准，但消费者有自己的判断）；二是产品选择多、性价比高、自传播能力强。那些个性鲜明的品牌，之所以能快速崛起，正是因为满足了这些需求。
15:53, 27 февраля 2026Силовые структуры
Git packfiles use delta compression, storing only the diff when a 10MB file changes by one line, while the objects table stores each version in full. A file modified 100 times takes about 1GB in Postgres versus maybe 50MB in a packfile. Postgres does TOAST and compress large values, but that’s compressing individual objects in isolation, not delta-compressing across versions the way packfiles do, so the storage overhead is real. A delta-compression layer that periodically repacks objects within Postgres, or offloads large blobs to S3 the way LFS does, is a natural next step. For most repositories it still won’t matter since the median repo is small and disk is cheap, and GitHub’s Spokes system made a similar trade-off years ago, storing three full uncompressed copies of every repository across data centres because redundancy and operational simplicity beat storage efficiency even at hundreds of exabytes.
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