At a data processing node, data processing equipment and associated software.

在一个数据处理网点上的数据处理设备和有关的软件。

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When a trace node is invoked, it results in a processing overhead even if it does not write trace data.

在调用跟踪节点时，即使它不写跟踪数据，它也会产生处理开销。

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Also, although the advanced schema-aware processors do support these node tests, they are rare and in practice usually couple the validation with data processing.

另外，虽然高级模式感知处理器确实支持这些节点测试，但它们的数量很少，并且在实际操作中常常耦合了验证过程和数据处理过程。

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