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  Optimizing on Windows 2000  (Read 1263 times)
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Offline Sanxion

Junior Duke




Java games rock!


« Posted 2005-01-20 17:58:47 »

I have a game server that chokes for 2-3 seconds every now and then. It might have to do with:
1. Garbage collection
2. External programs in Windows hogging memory
3. Unoptimized code

What can i use besides -gc to keep track of garbage collection?

What programs are there that keep a history log of how much memory and CPU programs are using?

What programs can be used to find bottlenecks in code?
Offline EgonOlsen
« Reply #1 - Posted 2005-01-20 19:40:27 »

Start your application with the "-verbose:gc"-switch and you'll see how often gc kicks in and how long it takes.

Offline c_lilian

Senior Duke


Projects: 1


Java games will probably rock someday...


« Reply #2 - Posted 2005-01-21 05:36:31 »

With jdk1.5, you might want to try and have a look at jconsole...

http://java.sun.com/developer/technicalArticles/J2SE/jconsole.html

Otherwise, commercial optimizers have stuff for detecting and explaining these pause (at least OptimizeIt and JProfiler). I haven't tried yet JFluid with netbeans 4.

Lilian

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