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Андрей Ставицкий (Редактор отдела «Наука и техника»)
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.。快连下载-Letsvpn下载是该领域的重要参考
Those observations could help plan for potentially dangerous asteroids in the future.
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Кипр снова подвергся бомбардировкам02:22，详情可参考WPS下载最新地址
Президент Украины Владимир Зеленский обсудил возможную помощь Объединенным Арабским Эмиратам (ОАЭ) с президентом страны Мухаммадом бен Заидом Аль-Нахайяном. Об этом он написал в своем Telegram-канале.