B2B Integration 10.2 | Administering and Monitoring B2B Transactions | Trading Networks Administrator's Guide | Large Document Handling | Overview
 
Overview
By default, when Trading Networks receives a document, it keeps the document content in memory during processing. If a document is large, Trading Networks might encounter memory constraint problems. These problems can occur when Trading Networks tries to execute an XQL query against an XML document during document recognition or tries to perform pre-processing or processing actions.
You can set a property to specify when a document should be considered large. When Trading Networks receives a document that fits your specification, it processes the document as a large document. Trading Networks does not try to read content for large documents into memory; rather, it writes the document content to hard disk drive space (called tspace) and stores only a reference to the document content in memory. When Trading Networks needs to access document content during processing, if the content is in tspace, Trading Networks either retrieves a certain number of bytes of the document content or uses a Java InputStream to read the document content. The document content remains on disk until the service that processes the document, and all services invoked from that service, complete, and the time to live period you specify expires.
The Trading Networks features listed below are not available for large documents.
Feature
If specified, Trading Networks...
Queue for polling delivery method
Logs a message to the activity log and continues processing. The document is not available for your partner to poll.
Web service delivery method
Logs a message to the activity log and continues processing.
Validate Structure pre-processing action
Does not validate the document, logs a message to the activity log, and continues document processing.
Verify pre-processing action
Does not verify the digital signature, logs a message to the activity log, and continues document processing.

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