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.
昨天我给母亲换了一个新的手机号码，用于日常对外联系，这个号码是用我的主卡办理的副卡。而她名下所有银行卡的预留手机号，仍然绑定在那个旧的、由我来管理的手机号码。这样，任何涉及银行转账的短信验证码，都会发到我的手机上。理论上，这能实现资金的“共管”。
。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
长春高新硬气弃标，靠院外市场优势暂时稳住阵脚，但资本市场的恐慌已经蔓延。
Those who follow Collins to space will learn just how much she achieved, not only as a woman, but as a formidable pilot and commander.
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