nathanz@hotmail.com (Nathan Zumwalt) wrote in message news:<521673fd.0312310723.7fe45e47@posting.google. com>...[color=blue]
> I think the lower bound of the heap size is set to 64M, but the upper
> bound is much higher by default.
>
> Before you start tuning your JVM, I'd make sure you're not swallowing
> an exceptions that are getting thrown. If you're sure that all
> exceptions are being caught and at least printed out to the console,
> you might want to looks at turning off hotspot. Or, manually
> specifying the mode to -client or -server.
>
> If you're still not getting anywhere, you might want to try using a
> profiler, such as JProbe.
>
> -Nathan
>
>
decent_tiger@yahoo.com (Mark) wrote in message news:<6261f9fc.0312301710.55691c54@posting.google. com>...[color=green]
> > I am using JVM version 1.4.1 (java.vm.version=1.4.1-1) to run my
> > program on UNIX. When I run my program using the default JVM settings,
> > I don't get exceptions but my program crashes after 30 minutes without
> > throwing any exception. I thought, tuning of JVM would be a solution,
> > so I ran my program using -Xms128m -Xmx128m and now it gives me an
> > OutOfMemory error within 2 minutes. -
> >
> > Unknown error:
> > java.lang.OutOfMemoryError
> > at java.io.ByteArrayOutputStream.write(ByteArrayOutpu tStream.java:95)
> >
> > Isn't JVM heap size by default set to 64M ? If so, why would my
> > program give me memory error sooner when I have increased and set max
> > heap size to 128M. Can anyone throw some light on this based on their
> > experience.....
> >
> > Thanks in advance.[/color][/color]
Thanks for the response. But, how will I know what the default heap
size settings of the JVM (default minimum heap size and maximum heap
size). Is there a way to display the heap size settings and other
properties of the JVM.
Thanks in advance,
-Mark
