issue with limiting java's memory usage
Alexander Best
arundel at freebsd.org
Sun Jan 29 21:30:14 UTC 2012
On Sun Jan 29 12, Patrick Lamaiziere wrote:
> Le Sun, 29 Jan 2012 19:34:11 +0000,
> Alexander Best <arundel at freebsd.org> a écrit :
>
> > hi there,
>
> Hello,
>
> > maybe i'm missing something obvious, but i don't quite understand the
> > following top(1) output:
> >
> > last pid: 13875; load averages: 0.73, 0.75, 0.68
> > 65 processes: 2 running, 62 sleeping, 1 waiting
> > CPU 0: 19.5% user, 0.0% nice, 13.3% system, 0.0% interrupt, 67.2%
> > idle CPU 1: 20.3% user, 0.0% nice, 7.8% system, 0.0% interrupt,
> > 71.9% idle Mem: 1365M Active, 185M Inact, 323M Wired, 69M Cache, 213M
> > Buf, 32M Free Swap: 10G Total, 2494M Used, 7746M Free, 24% Inuse, 4K
> > In
> >
> > PID UID THR PRI NICE SIZE RES STATE C TIME WCPU
> > COMMAND 6913 1001 32 20 0 4252M 1312M uwait 0 18.3H
> > 39.06% /usr/local/diablo-jdk1.6.0/bin/java -Xmx512m -jar JDownloade
> >
> > ...how can the size of the resident memory of pid 6913 be > 512
> > megabytes?
>
> I don't know but you can inspect the java application with the java
> console (jconsole). There are several stats on memory usage.
jconsole doesn't seem to work for me. all i get is a blank white X window. :(
cheers.
alex
>
> With JDownloader (doing nothing), I see 57 MB of "non heap memory
> usage", and "only" 30 MB of heap memory.
>
> Regards.
More information about the freebsd-questions
mailing list