Hi e'body, well, i have started working on an already created web-application using IBM websphere 3.5.3 and I was told to make some modifications and also speedify the application.IT is working pretty slow. I have finished the modification part, but still to make it fast. This application is working on the MVC structure ( servlets,java-beans and JSP ). This application was developed taking the help of WebSphere studio 3.5 & VisualAge for Java 3.5 It would be great if anybody can help me with the general ideas on how to make your (JSP/servlets/java-beans) web applications run faster. I am working with JDBC connection pooling. One thing i have realized is that almost all the java-bean instances have been put in the session, to extract data from the JSP(s); maybe this is a bad idea , having a lot of data in the session..?? I request you to help me out on how to make these kind of applications run faster. I really appreciate your help.Thanks a lot prashant
John Smith
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It would be great if anybody can help me with the general ideas on how to make your (JSP/servlets/java-beans) web applications run faster.
You can guess where the bottleneck is and optimize it, but there is a high possibility that the real bottleneck is some place else. What you need is to use a profiling tool (such as Borland OptimizeIt) to see the big picture. Eugene.
Peter den Haan
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Seconded. Always follow the third rule of optimization: Profile Before Optimizing. (The first and second ones, by the way, are Don't and Don't... yet). The amount of session data is only a problem if your application is running in a distributed container. In a distributed application, WebSphere persists all sessions in a database which gets painful above 2-4KB session data size. Database access is another common bottleneck. Caching techniques are the usual solution. Despite this, don't even think of optimizing stuff unless you know (as in: have measured) what the problem is. - Peter
Jack Daniel
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Thanks a lot for your replies.. I appreciate.. i'll look into caching techniques.. and also into optimizeIt.. cheers prashant
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