Get a grip: Robotics firms struggle to develop hands
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.
Юрий Леонов (ведущий редактор отдела «Бывший СССР»)。关于这个话题，51吃瓜提供了深入分析
Almost 30,000 pieces of debris are calculated to be free-floating in space, created when rockets break up in space or satellites disintegrate.
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Фото: Министерство обороны РФ / РИА Новости。旺商聊官方下载是该领域的重要参考
1. Where is the story coming from? Is it from a reputable source or news site? Some sites specialise in ‘gossip’ and rumour style stories while others focus on the facts. It’s important to know the difference between the two.