Hi @fra74    As per the tuning recommendation the initial value should suffice. Here - https://documentation.sas.com/?docsetId=caltuning&docsetTarget=p09vb36mig9j3sn1nqala52349or.htm&docsetVersion=3.4&locale=en   For all the other services it is recommended to match the Xms and Xmx value. Example for cache server here - https://documentation.sas.com/?docsetId=caltuning&docsetTarget=n04bqzpyrani10n1ad7o0hl753no.htm&docsetVersion=3.4&locale=en   Hope this helps! ... View more