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.
Lex: FT’s flagship investment column
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Explicit backpressure
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李强指出，今年是中国“十五五”开局之年，未来5年，中德经贸合作将迎来更多机遇。中方愿同德方用好两国政府磋商等对话机制，加强发展战略对接和政策沟通协调，做大做优两国贸易蛋糕，推动汽车、化工等传统合作焕新增效，拓展人工智能、生物医药等新兴领域合作，培育更多新的经济增长点。中方愿进口德方更多优质产品，鼓励支持中国企业赴德投资，希望德方为企业提供公平、稳定、可预期的营商环境。双方要支持两国高校、科研机构和企业加强联合研发、人才培养、成果转化等合作，让知识、人才等创新要素更好流动，共同塑造未来创新能力。中德作为世界两大经济体和具有重要影响力的大国，应当共同维护多边主义、自由贸易，致力于构建更加公正合理的全球治理体系，为世界和平发展事业注入更多正能量。德国是欧盟重要成员，希望德方为推动中欧关系发展发挥积极作用。，这一点在safew官方下载中也有详细论述
The Mouse Cancer Cell line Atlas (MCCA) provides major advances towards a mechanistic understanding of cancer genomes.