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Network Performance

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  • Network Performance

    Good day for All.

    I have created a Project Listing and the Project Setup Form using the V9. There is no problem using my own my notebook to save, update and delete the record. It is very fast (the database is stored at my own notebook).

    I have shared the data from my PC. In the Network PC, I have installed the V9 Run-Engine and also activate the Shadow Database. But when user access the PC, he want to save, update and delete the record, it is very slow. The PC has 1GB and Pentium 4 2.50.

    My script of the Form using Action Script to do it; Does it means using Action Script will slow down the performance? What I can do to improve the Performance? Now only 2 person using the database, my staff and I connect the database at the same time and it is very slow already. What will be happened that my client has 30 users and connect at the same time? What will happen?

    Please help...
    Many Thanks.

    Jack Lim

  • #2
    Re: Network Performance


    The shadow on the networked PC is just a copy of the forms reports, sets, etc. The actual data is still on your laptop. When the network user updates and saves records, it goes to your laptop to do that. I am not really sure that a laptop as a server is a real viable solution. We use dedicated servers for our data. We have over 200 users connected. Your test run is not exactly representative of what a server-based network system is like.



    • #3
      Re: Network Performance

      Jack, suggest you search for and review similar message threads. There are many many factors that affect performance over a local area network. This has been discussed many times.

      I can't resist pointing you to Dr. Wayne's article: "Simplify your Application for Better Performance" at www.learn The complexity of your data entry set / form is only one of many things that might slow down a networked application. But it's a good beginning point.

      When working on an application that is targeted for multi-user access over a local network every design decision should be made with an eye towards minimizing network overhead. The fewer packets of data that have to be moved to and from the server the faster the app will run.


      • #4
        Re: Network Performance

        You also didn't say what type of network you have.

        It took awhile to convince some of them but I finally got all my customers to switch to a wired network. For one I had to actually hand carry some cables into his office and hook them up across the floor. It took about 30 seconds for the users to start screaming for him to wire everyone. People seem to have a hard time grasping the fact that things like Excel and Word don't really "use" the internet much - only when saving or retrieving a document - whereas a database uses the network constantly.

        If you have a newer gigabit network you might be OK but the older 100 meg networks will usually be slower than a wired network.

        Disclaimer: Some 100 meg systems may work fine with wireless but I haven't found one yet.


        • #5
          Re: Network Performance


          The presence of active anti-virus systems that scan disk and network activity will also slow things down significantly. The recommended solution is to exclude the database folder from A/V scanning, so that disk reads and writes are NOT being continuously scanned by your A/V software.


          • #6
            Re: Network Performance

            sir jack,

            try using v8 even you have a good/bad table design and complex sets
            you will see the speed difference of v8 against v9 and even if you have a antivirus on your laptop
            i'm sure on that!

            for your concerns about the error you see in v9 pls click here

            look for sir steve wood reply and then register to and submit the error you see. your immediate feedback is needed to have us a guaranteed satisfaction in v9.

            "Push yourself on v8. Only if v9/v10 can't motivate you."

            Thank you.


            nehru l. albania
            bernabest food products, inc.
            Last edited by nehru; 10-25-2009, 08:10 AM.
            "Knowledge without application is useless."