1 Reply Latest reply on Jan 23, 2017 7:21 PM by Russell Christopher

    Cache Server processes configured with dedicated backgrounder box?

    John Kuo

      I know the rule of thumb is to configure 1 cache server process per VizQL. But I noticed in Performance Tuning Examples the documentation shows 2 cache server processes configured in the dedicated backgrounder worker box. Can someone explain the benefit of having cache servers on a backgrounder box? I thought cache servers works in tandem with VizQL only.

       

      Thanks!

       

      John

        • 1. Re: Cache Server processes configured with dedicated backgrounder box?
          Russell Christopher

          (I'm not a developer, but I stayed at a Holiday Inn once)

           

          From what I understand, portions of the vizqlserver code & functionality can be found in other Tableau processes. For example, when a Backgrounder executes a subscription, you'll actually see all the "vizqlserver stuff" around viz generation that you'd normally see in a vizqlserver log... but it'll be in the backgrounder log instead.

           

          So, if a cache server is good because it "supports" vizql, then a cache server is still good as it'll support a backgrounder when the bg is doing "viqlserver-like" activities.