大多数文件系统都通过缓冲区缓存来相互通信，这种缓存通过缓存最近使用的数据来优化对物理设备的访问。
Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.
和优化器一样，调度器使用设备架构从系统的每个组件收集有关资源可用性的度量指标。
Like the optimizer, the scheduler USES the appliance architecture to gather metrics about resource availability from each component of the system.
系统为atom处理器做了大量优化，设计用于小体积设备。
It is heavily optimized for the Atom processor and is designed to work well on small form-factor devices.
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