This week's book giveaways are in the Jython/Python and Object-Oriented programming forums. We're giving away four copies each of Machine Learning for Business: Using Amazon SageMaker and Jupyter and Object Design Style Guide and have the authors on-line! See this thread and this one for details.
Hi All, Thanks in advance. In our project we are using Struts1.0,Jsp,Servlets,Oracle9i,web sphere5.0. We have completed development, and one of the major and very important requirement is that two consecutive pages timeinterval should be 2 sec. But it is not working like that.We have followed very good coding rules. Please tell me what are the different root causes which decreases the performance.
Hi, Thanks a lot for very useful reply. We are not using any IDE of websphere, I searched on the net for profiler every where they are talking about specific to IDE. We are using Eclipse and Websphere application server. Please tell me how to use this profiler in this environment.
<<You can verify/refute the "it's the database" theory with some System.out.printlns() to time that layer too.>> Using the jamon open source jdbc driver is easier than this and it will give you 1) performance of all queries (hits/avg/total/min/max more), 2) Performance of all jdbc method calls, 3) If any exceptions are thrown it will track that too
No code changes are needed. Simply use the jamon jdbc driver to wrap the underlying driver. Here is an example. If you need further help let me know. Note JAMon will work with ANY JDBC driver.
JDBC Syntax Without JAMon: An example of how to connect to a database using a JDBC driver follows (The example uses Sybase, but any vendors driver would do)
JDBC Syntax With JAMon: The following code will use JAMon as a proxy to track performance, but uses the underlying driver to perform the queris (The example uses Sybase, but any vendors driver would do). Note no code changes would be required if connection strings were placed in a configuration file. The JAMon jar file must also be placed in the classpath.
If 2 seconds is the criterion, then the time needed by the client computer / browser to display your pages, and the network capacity become important factors. On my computer, 2 seconds is the time that my (already started up) browser needs to display a static html file, text only, from my local c: drive.
OCUP UML fundamental and ITIL foundation
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