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Is there a way to debug what exactly causes netbeans to be so slow and to take so much resources? When I try to use code completion it takes around 20 to 30 seconds for the code completion to appear.

I moved to eclipse for now and it does not share the same problem./

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In Eclipse, you have a view which shows what is going on in the background. Netbeans has a little "activity" thingy in the status bar but it's either not used by everyone or there is other stuff going.

The first thing to try is to give Netbeans 1GB of RAM. If that helps, you were hit by the garbage collector.

If that doesn't help, you can send a signal to the Java process to make it dump it's threads.

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I always had problems with Netbeans when coding but from I switched to Eclipse work has been much easier and compile time was in a jiff. Try out Eclipse and compare its performance with Netbeans.

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