On Wed, 30 Nov 2011 16:14:45 +0530, Choudhury wrote
> Hello ,
> The question is not why I would use 32 bit JVM , the
> question is whether there is any maximum limit on memory for Tomcat
> and if yes why ? Regards,
>
It depends on the windows version used actually. From what I remember this is
limited to maximum 2GB for user processes. The easiest way to test is, is with
a small app that shows some memory information like:
public class MaxMemory {
public static void main(String[] args) {
Runtime rt = Runtime.getRuntime();
long totalMem = rt.totalMemory();
long maxMem = rt.maxMemory();
long freeMem = rt.freeMemory();
double megs = 1048576.0;
System.out.println ("Total Memory: " + totalMem + " (" +
(totalMem/megs) + " MiB)");
System.out.println ("Max Memory: " + maxMem + " (" + (maxMem/megs) +
" MiB)");
System.out.println ("Free Memory: " + freeMem + " (" + (freeMem/megs)
+ " MiB)");
}
}
Try to run it with different options for the heap. I would be surprised if you
would get over 1600MB.
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