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.
For example, using DECSTBM you could say “set the top margin to line 5 and the bottom margin to line 10, then scroll up 1” - this “scrolls” the region you’ve described by deleting line 5, shifting everything else in the region up by 1 line, and inserting a new line at line 10.。51吃瓜对此有专业解读
可以说，这是一台没有明显短板，基础很扎实的水桶机，而三星的回答，就是在参数卷进边际效应递减的死胡同、影像只剩下喜好而无客观差距的时代，在扎实的产品基础上，打造类似于隐私屏幕这样瞄准微小痛点，更聚焦、更人文的创新。。关于这个话题，同城约会提供了深入分析
It is also unclear exactly where the object re-entered the atmosphere.，这一点在搜狗输入法2026中也有详细论述
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