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.
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It’s one of the first questions you’ll need to consider when shopping for a new bed: how soft or firm do you want it to be? While your answer mostly depends on personal preference, there is some research-backed advice you should consider when it comes to finding the right firmness level, especially if you experience back pain or you find yourself waking up stiff most mornings.。关于这个话题，爱思助手下载最新版本提供了深入分析
The more features that get added without a change in the abstraction, the weaker the abstraction gets.。clash下载是该领域的重要参考