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.
The Pokémon Presents video presentation is set to take place on Pokémon Day, providing all the latest Pokémon news. These presentations tend to provide updates on upcoming video games, spinoffs, mobile games, Pokémon TCG collectibles, and animated productions. We don't know what's in store from this latest edition, but we expect Pokémon to go big for its 30th anniversary.
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wire 开发文档：square.github.io/wire/
14:06, 27 февраля 2026Экономика
用 AI 生图，总绕不开一道两难题：要快，还是要好？