#1: Always see what's available on the SAS support website: support.sas.com   Strongly suggest first port of call is the SAS 9.4 Install Center   https://support.sas.com/documentation/installcenter/94/index.html   and Scalability and Performance Papers   http://support.sas.com/rnd/scalability/papers/   Plus there is a large amount of information on architecture, etc - search "Architecture" in the SAS Global Forum proceedings for the past year or two. www.lexjansen.com has all the papers cataloged.   Best of luck! ... View more