Memory Accounting, JDKs [was: Re: [Techtalk] Java on Linux]

[Val Henson]

Hi Nicole,

What does cat /proc/meminfo say?  I don't know if it will suffer from
the same accounting problems as ps and top do, but it's worth a try.
Also, what does vmstat say?

-VAL

On Thu, Jan 10, 2002 at 04:12:47PM -0800, Nicole Zimmerman wrote:
> This is what I'm doing right now (they all report the same value) and it
> doesn't seem right.
> 
> Server = 254M 
> Client = 226M
> GUI    = 205M
> 
> System reports: 243M memory used, 6M free
> 
> -nicole
> 
> At 17:33 on Jan 10, Aaron Mulder combined all the right letters to say:
> 
> > 	When running with "native threads" (one process per thread), you 
> > get this effect.  All the processes representing threads in the same VM 
> > report the same memory numbers, I think.  So if you were able to get 
> > processes from all 3 JVMs showing in "top", you should see only 3 distinct 
> > memory numbers (though each repeated across several processes).
> > 	It should be fairly easy to record the process number of the 
> > initial java process as each VM is launched (there's a shell variable, 
> > like $! or something), and there has got to be some way to show a 
> > process's ID and parent process ID through top or ps or something if you 
> > really want to track them all down.  But I don't know how to do that 
> > without spending some time communing with man pages.
> 
> _______________________________________________
> Techtalk mailing list
> Techtalk at linuxchix.org
> http://www.linuxchix.org/mailman/listinfo/techtalk