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.
贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
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（三）展示侮辱性标语、条幅等物品的；。91视频对此有专业解读
第二十条 纳税人的交际应酬消费属于增值税法所称个人消费。，详情可参考搜狗输入法下载
/usr/local → /var/usrlocal