4.5. Performance Considerations
It is important to consider performance when processing XML documents. XML document processing—handling the document in a pre- or post-processing stage to an application's business logic—may adversely affect application performance because such processing is potentially very CPU, memory, and input/output or network intensive.
Why does XML document processing potentially impact performance so significantly? Recall that processing an incoming XML document consists of multiple steps, including parsing the document; optionally validating the document against a schema (this implies first parsing the schema); recognizing, extracting, and directly processing element contents and attribute values; or optionally mapping ...
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