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.
从整个行业来看,平板和笔记本电脑都在进行着「趋同进化」——本来是不一样的物种,最终朝同一个方向改变,平板电脑可以外接键盘鼠标,电脑屏幕也可以多点触控。
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В России ответили на имитирующие высадку на Украине учения НАТО18:04
在波波心中,《桃源村日志》从来不止是一款种田游戏,更是她参照真实世界搭建的精神乌托邦,每一个细节都藏着她对生活的观察与思考。