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Real-life WAS/SQL

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    Real-life WAS/SQL

    Hi just wanted to post some real-life numbers of both WAS and MySQL The following are numbers for concurrent users and some table facts hopefully this can shed some light for programmers wondering how WAS and MySQL do.

    I have 2 servers with zebrahost each running 1 WAS and the Server1 runs mysql 5.5 64bit

    Server 1 8 cores 4 gb ram 41 concurrent users
    Server 2 2 cores 2 gb ram 29 concurrent users

    Have completed 55000 invoices since july 1st 2010
    Average 300 user logins per day.

    Both of the concurrent user numbers are from today and I have not noticed any lag whatsoever on either machine.
    Chad Brown

    #2
    Re: Real-life WAS/SQL

    Just got to 47 on server1
    Chad Brown

    Comment


      #3
      Re: Real-life WAS/SQL

      That's great info mate and - really well done - good on you!
      Insanity: doing the same thing over and over again and expecting different results.
      Albert Einstein, (attributed)
      US (German-born) physicist (1879 - 1955)

      Comment


        #4
        Re: Real-life WAS/SQL

        Originally posted by chadbrown View Post
        Just got to 47 on server1
        But how many instances of the WAS?
        Peter
        AlphaBase Solutions, LLC

        [email protected]
        https://www.alphabasesolutions.com


        Comment


          #5
          Re: Real-life WAS/SQL

          Just one Peter and it looks like I have peaked at 58 for today on Server1.
          Mondays are purchase order days and always one of my busier ones.
          Chad Brown

          Comment


            #6
            Re: Real-life WAS/SQL

            Exactly what method are you using to count "concurrent users"? And what do you mean by concurrent?
            Steve Wood
            See my profile on IADN

            Comment


              #7
              Re: Real-life WAS/SQL

              Hi Steve, I am using Server.SessionCount which from what I understand is a session folder count. I guess the only problem with that is that if a user has closed the browser until that session ie folder times out it would be over inflated. For the most part today it floated on average 40-45 as a sessioncount on the primary server and about 22 for the smaller server.
              Another interesting fact is how low the ram use is for WAS which is around 165MB.
              Also I do run WAS security on mysql.
              Chad Brown

              Comment


                #8
                Re: Real-life WAS/SQL

                Hi Chad,

                This is a large project. Did you consider cloud hosting, and if so, why did you decide to go with your own servers?

                I am also working on an enterprise app and considering such options for cost savings and getting the most out of WAS licenses.

                Comment


                  #9
                  Re: Real-life WAS/SQL

                  Chris, I didn't consider going to cloud type hosting. The two servers that I have at Zebrahost are reasonable I believe. Maybe in the future I would consider it. I have a customer that has expressed great interest in going with my software, they are about 5 times the current volume of users that I have on my two servers now. I will need to find a bigger solution for serving if in fact they do go with my software.
                  Chad Brown

                  Comment


                    #10
                    Re: Real-life WAS/SQL

                    I am using Server.SessionCount which from what I understand is a session folder count. I guess the only problem with that is that if a user has closed the browser until that session ie folder times out it would be over inflated.
                    I agree, it does not mean concurrent users because each browser instance creates a session count, and that count stays resident until the session expires, so they overlap, even if they log off. Relying only on this figure, you could just as easily have just one user at a time. A better way to track concurrent useage it to pick one two prime transactions and log them, look for multiple transactions in a given time period.
                    Steve Wood
                    See my profile on IADN

                    Comment


                      #11
                      Re: Real-life WAS/SQL

                      Steve, I do keep a log of all logins which track all userid's and other items such as what server was logged into, time and other items. During a time frame of 30 min period I did have 43 unique employees log into the server1.

                      Below are a some stats from mysql as you can see the server is taking a query at a rate of almost one per second.

                      Open_files 34
                      Open_streams 0
                      Open_tables 179
                      Opened_tables 469
                      Questions 1699534
                      Uptime in seconds 1813114
                      Chad Brown

                      Comment


                        #12
                        Re: Real-life WAS/SQL

                        Your scenario is probably more realistic than some of the empirical test some of us have been running -- "Lots of users over a brief period of time". As long as there is a second or two between individual or the blocks of concurrent users don't exceed some maximum, the server peforms well.
                        Steve Wood
                        See my profile on IADN

                        Comment


                          #13
                          Re: Real-life WAS/SQL

                          I guess concurrent users is a hard thing to prove and maybe I was using the wrong terminology but I was not trying to miss-lead in any way.

                          I am not sure how you could ever figure out true concurrent users being that you don't have to submit anything to be a user. You could be a user that only looks at read only grids, or view and print reports.
                          Chad Brown

                          Comment


                            #14
                            Re: Real-life WAS/SQL

                            Yeah, I don't really know either. The important thing, and I didn't mean to take it away from you, is you have a successful obviously well-built operation running smooth, and that is a very, very cool and congratulations!
                            Steve Wood
                            See my profile on IADN

                            Comment


                              #15
                              Re: Real-life WAS/SQL

                              Originally posted by koga101 View Post
                              This is a large project. Did you consider cloud hosting, and if so, why did you decide to go with your own servers?
                              Lets calculate the cost of three separate servers in Amazon Cloud:

                              In Amazon cloud:

                              For Mysql: Standard Reserved instance small(linux) cost: 0,03 * 24 * 30= 21,60 + 9,72(350/3/12) = 31,32 per month.

                              For Alpha Was Server 1 High-CPU Reserved Instances Medium (Win2800 64 or 32) cost: 0,125*24*30= 90 + 19,44 (700/3/12)= 109,44 per month

                              For Alpha Was Server 2 High-CPU Reserved Instances Medium (Win2800 64 or 32) cost: 0,125*24*30= 90 + 19,44 (700/3/12)= 109,44 per month

                              For S3(hard disks) about 30,00 per month.

                              So in Amazon cloud three separate servers cost is 31,32 + 109,44 + 109,44 + 30= 280,20/month.( And if you are living in euro world then the cost is 280,2 * 0,75= 210,15 euros per month for three separate Amazon Cloud servers)

                              And if you shutdown other Alpha server for example between 10pm to 6am = 8 hours per day you have possibility to save 0,125*8*30= 30,00 per month. Then cost is 280,20-30,00 = 250,20 per month.

                              Comment

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