This sample application illustrates object caching and the exploitation of JSR168 state handling concepts, as discussed in Object caching and state handling.

此示例应用程序按照 对象缓存与状态处理所述演示对象缓存和 JSR168 状态处理概念的应用。

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In the case of HTTP caching, the cache entries are invalidated in case an interaction with the resource occurs that potentially modifies the server side state of the resource.

对于HTTP缓存，在出现可能修改资源的服务器端状态的资源交互时，缓存项将失效。

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Caching multiple views for the same portlet is possible because the cache key contains the relevant information from the navigational state parameters.

由于缓存键包含来自于导航状态参数的相关信息，因此可以缓存同一个Portlet的多个视图。

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Caching and buffering using solid state drives (SSDs) are becoming wide-spread in many enterprise applications with some primary storage systems using only solid state storage vying for some applications.

FORBES: New Solid State Drives for Enterprise Applications

Write caching could allow the hard disk drive to stay in a lower power non-spinning state for longer periods of time, extending battery life for the notebook computer.

FORBES: Will A Fusion Drive Approach Become Widespread in Computers?