日本放送協会（NHK）の著作権は保護されています。無断転載を禁じます。本コンテンツは受信料で制作されています。
Authorization is equally thorny. S3 and file systems think about authorization in very different ways. S3 supports IAM policies scoped to key prefixes—you can say “deny GetObject on anything under /private/”. In fact, you can further constrain those permissions based on things like the network or properties of the request itself. IAM policies are incredibly rich, and also much more expensive to evaluate than file permissions are. File systems have spent years getting things like permission checks off of the data path, often evaluating up front and then using a handle for persistent future access. Files are also a little weird as an entity to wrap authorization policy around, because permissions for a file live in its inode. Hard links allow you to have many inodes for the same file, and you also need to think about directory permissions that determine if you can get to a file in the first place. Unless you have a handle on it, in which case it kind of doesn’t matter, even if it’s renamed, moved, and often even deleted.
，这一点在钉钉中也有详细论述
Обнаружен странный фактор перед украинским дроновым рейдом на РФ из балтийского региона02:45
百度智能云的AI云基础设施也在向更广泛的AI硬件产业延伸。目前，已有超百家AI硬件企业基于百度智能云部署大模型能力。
Пять государств ЕС столкнулись с максимальными рисками в энергетическом кризисе20:55