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.
有分析稱，北京視歐洲為「自信合作夥伴」而非純粹「朋友」或「敵友」：一方面利用跨大西洋裂痕拉攏歐洲，另一方面在貿易、科技領域保持強勢姿態，透過高水平開放與市場准入談判，鞏固全球貿易主導地位，與美國抗衡。
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