I have a WCF service method which takes more than two hours to execute (runs some reports). how can I make sure that it doesn’t timeout regardless of the time it takes? I think there are many timeout settings in WCF config, I am not sure which one is relevant for me. for ASMX webservices, there was an option to specify infinite timeout setting, is there a similar one for WCF?. also do I need to alter any IIS settings for this (WCF servcie is hosted in IIS), like recycling of worker processes, idle timeouts etc?
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Have you considered using callbacks? Your client sends a request and then waits for a notification from the server for when it is done? This would probably require a change in the client, but in that way, your service can “rattle the chain” and tell the client when the report is finished.
help: http://idunno.org/archive/2008/05/29/wcf-callbacks-a-beginners-guide.aspx
WCF timeouts:
http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/84551e45-19a2-4d0d-bcc0-516a4041943d/
You should also consider the timeouts on the client side, as well. (binding.OpenTimeout, ReceiveTimeout, CloseTimeout etc.)
Another option would be to host the WCF in a Windows Service, which could simplify your situation, as it removes IIS from the equation:
http://msdn.microsoft.com/en-us/library/ms733069.aspx
Or, what about using a one way WCF call? That way, the call will return to the client ASAP after sending the request.
Need sample fire and forget async call to WCF service