Debug « performance « Java Testing Q&A

1. Is there a performance difference between Javac debug on and off?    stackoverflow.com

If I switch on the generating of debug info with Javac then the class files are 20-25% larger. Has this any performance effects on running the Java program? If yes on ...

2. performance impact of jvmti when debugger isn't connected?    stackoverflow.com

We recently pushed a web application (tomcat 5.5.x web app) into production and it started exhibiting odd behavior today. We don't see this behavior in any development or pre-production environment. Our only ...

3. Whats a good java debugger?    stackoverflow.com

I'm trying to find memory leaks and performance issues with my java application. Is there a program out there that can help me debug my application and display performance results? Thanks.

4. monitor Java proccess memory in realtime    stackoverflow.com

I have a java application that its memory starting to jump and fall after few days.
Is there a tool that can show me the variables/members sizes during run/debug in real time? ...

5. How to debug Java memory errors?    stackoverflow.com

There is a Java Struts application running on Tomcat, that have some memory errors. Sometimes it becomes slowly and hoard all of the memory of Tomcat, until it crashes. I know how ...

6. java debug perfomance issues - best practises    stackoverflow.com

Just curious to know if there are a list of steps that I can use as guidelines to debug performance issues to pinpoint what is taking the most time. There are ...

7. Performance Issues with Java Debug API    coderanch.com

Hi, I have written a small application using JDI in which I have added MethodEntryRequest and MethodExitRequest for certain classes. Now I am facing 2 issues 1) There is considerable drop in the performance of the target application because of my EventRequest. If page used to come up in 3 seconds now it takes almost 3 minutes. I don't know what ...

8. Tracer.java - a code tracing class for performance tuning and debugging.    forums.oracle.com

9. Does JVM debugging options have any performance overhead ?    forums.oracle.com

10. Help needed in debugging callablestatement changing performance    forums.oracle.com

Looking for some help debugging a performance problem. We are in the process of converting an ASP web application running on IIS to a java web application running on OAS. We have java code using a CallableStatement that calls an Oracle PL/SQL Procedure that runs inserts and updates as needed and does not return anything. When the Java application calls the ...