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Using Process-Private Globals to Support Very Large Messages

By default, an InterSystems IRIS® data platform web service usually uses local array memory when it parses requests or responses. You can force it to use process-private globals instead; this enables the web service to process very large messages.

To do so, specify the USEPPGHANDLER parameter of the web service class as follows:

Parameter USEPPGHANDLER = 1;

If this parameter is 1, then the web service always uses process-private globals when it parses requests or responses. If this parameter is 0, then the web service always uses local array memory for these purposes. If this parameter is not set, then the web service uses the default, which is usually local array memory.

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