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RDS / Terminal Server

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  • RDS / Terminal Server

    My IT support are setting this up & tell me that this works by using shared resources, so all users would open the Same Alpha Runtime program & the same shadowed db.
    Does this work ?
    I am at the early stages of this so just trying to see if this is workable before we get too far with it. Also if it does work any advice on set up.

  • #2
    Yes, it works fine.

    Basically, several users remote log into a single server with each getting his / her own desktop.

    A new setup allows 120 days of trial before your IT guys need to buy licenses.

    At some point prior to the 120th day, the IT guys will install license packs purchased in groups of 5, so if you have 10 users logged into that single server, the 11th person cannot log in.

    Once you (or they) install the Alpha Runtime, they will need to designate who has access to run that software with their session. (Obviously, the development version is limited to the number of licenses you bought from Alpha Software...)


    • #3


      • #4
        An IT guy where we are installing a DB said T/S is no longer tied to concurrent users, but to either users or workstations - I'm not sure which.
        That said, T/S works really well; I have used it for many years.
        Cole Custom Programming - Terrell, Texas
        972 524 8714

        "A young man who is not liberal has no heart, but an old man who is not conservative has no mind." GB Shaw


        • #5
          There was a good thread just a short time ago about TS that was very important. It related to speed and resources and set up (shadowed or not). What I remember the thread introducing to the understanding of how Alpha operates is that no matter how big and bold the server machine is, the Alpha code is written in a way that will only be processed through a single core of the machines processors, and speed improvements by having multiple processor cores isn't attainable. That is what I remember. Maybe someone can find that thread because I cannot work this new Message Board at all.
          Mike W
          "I rebel in at least small things to express to the world that I have not completely surrendered"


          • #6
            I recall reading that Lenny at Alpha had said that although Alpha has code for using multiple processors, it doesn't work and Alpha uses only 1 core
            T/S works well. I have heard that when the number of concurrent users reaches a certain point, it slows down, but I have never experienced it myself. I suspect the amount of memory and processor speed are critical.
            Cole Custom Programming - Terrell, Texas
            972 524 8714

            "A young man who is not liberal has no heart, but an old man who is not conservative has no mind." GB Shaw


            • #7
              Hi Martin,
              Glad you are still with us. Are your set ups running users as shadowed runtimes?
              Mike W
              "I rebel in at least small things to express to the world that I have not completely surrendered"


              • #8
                I can't see any need to run shadowed if the users are TSing onto the server. All data is local to the app, so if anything shadowed would impact performance negatively.

                We use TSPlus running A5V11 on virtual servers Windows 2012R2 and have no problems in day to day running up to just under 50 users connected. We do see problems with sessions dropping, but not logging out if the user count exceeds 50 - this can end with the server having to be rebooted to flush out the stuck sessions.

                Note: Each user gets their own instance of A5 which will be allocated a CPU by WIndows when it starts, so users are balanced across the servers available CPUs, not all on the same one.


                • #9
                  If users are TSing onto another physical/logical device other that the server where the data is stored, then shadowing would/might be appropriate.


                  • #10
                    One of the previous threads is here: