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.
克林頓當時透過發言人告訴《紐約》雜誌，愛潑斯坦「既是非常成功的金融家，也是投入公益的慈善家」，而他「特別感謝愛潑斯坦在最近的非洲之行中，就民主化、扶助貧困、公共服務與對抗愛滋病等議題所提供的見解與慷慨協助」。
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О пропаже пяти туристов в Пермском крае стало известно 27 февраля. Они отправились кататься на снегоходах. 20 февраля группа прибыла в деревню Золотанка Красновишерского района и начала путь на зимнем транспорте. Поиски продолжаются четвертый день.
This article originally appeared on Engadget at https://www.engadget.com/gaming/guitar-hero-vets-redoctane-reveal-their-new-music-game-220809719.html?src=rss
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2024年12月25日 星期三 新京报。同城约会对此有专业解读
Трамп высказался о непростом решении по Ирану09:14