Is Determinations Server Stateless for the Interview Web Service?
OPA documentation states the following in "Run a clustered environment":
"The Determinations Server operates stateless transactions. When it processes an operation, that operation is completed, leaving the Determinations Server in the same state as when it started. Because there is no state held between Determinations Server operations, it makes no difference which server in a cluster of Determinations Servers a particular client request uses."
While this appears true for the Specific and Generic web services, the Interview web service starts with an "OpenSession" operation. Is the Interview web service truly stateless or are there tricks to make it stateless? Do we need to set our load-balancing routers to have sticky sessions because of this?
Yes sorry, you are correct - the Interview Service is stateful and will require sticky sessions. It is only the Specific and Generic Assess services that are stateless.
I'll have the documentation amended.
Edited by: Kristy Van Der Vlist on 19-Sep-2011 18:00
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