In the same place if ESQL is used with a better logic, then the processing cost would be drastically different with more benefits as complete message tree parsing is not needed.
同时，如果ESQL与更好的逻辑一起使用，则处理成本将大幅度减少，因为不需要解析完整的消息树，所得到的好处更多。
If you are processing a large XML data tree, keep in mind that SimpleXML loads the full XML document tree into memory before processing.
如果您处理的是一个大型的XML数据树，那么请务必注意SimpleXML在处理前是需要将整个XML文档加载到内存中的。
If you are processing a large XML data tree, keep in mind that SimpleXML loads the full XML document tree into memory before processing.
如果您处理的是一个大型的XML数据树，那么请务必注意SimpleXML在处理前是需要将整个XML文档加载到内存中的。
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