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.
中年人忙于生计，两个妹妹从幼儿园起的养育和教育，几乎都落在外公外婆身上。外公信奉“棍棒底下出孝子”，但凡没按照他的要求行事，甚至犟嘴，定会挨打。
。91视频是该领域的重要参考
Tech platforms would have to remove intimate images which have been shared without consent within 48 hours, under a proposed UK law.
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