Keep in mind that XACML has three top-level components: a policy, a PEP, and a PDP.

要记住，XACML有三个顶层组件：策略、PEP和PDP。

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Monitoring the top-level components, such as the heap, servlet threads, and DB connection pool, provides an insight into what is happening when a request is being processed by the JVM.

监视诸如堆、Servlet线程和数据库连接池等顶级组件，可以了解JVM处理请求时所发生的情况。

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The structure is identical for all snapshot.zip files: a top level sample directory, called sample, contains the top level build file and subdirectories for the persistence and the Web components.

所有快照. zip文件的结构都一样：一个顶级样例目录，名为sample，包含顶级构建文件以及持久性和web组件子目录。

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