Sending Responses Compressed by gzip
An InterSystems IRIS® web service can compress its response messages with gzip, a free compression program that is widely available on the Internet. This compression occurs after any other message packaging (such as creating MTOM packages). To cause a web service to do so, set the GZIPOUTPUT parameter equal to 1.
This parameter has no effect on the WSDL of the web service.
If you make this change, be sure that the web client can automatically decompress the message with gunzip, the corresponding decompression program.
If the web client is an InterSystems IRIS web client, note that the Web Gateway automatically decompresses inbound messages before sending them to the web client.