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I cannot understand the Java memory usage. I have an application which is executed with maximum memory size set to 256M. Yet, at some point in time I can see that according to the task manager it takes up to 700MB!
Needless to say, all the rest of the applications are a bit unresponsive when this happens as they are probably swapped out.
It’s JDK 1.6 on WinXP. Any ideas ?
The memory configured is available to the application. It won’t include
which will result in a much bigger image. Note that due to how the OS and the JVM work that 700Mb may be shared between multiple JVMs (due to shared binary images, shared libraries etc.)