Date: Sun, 29 Jan 2012 21:30:14 +0000 From: Alexander Best <arundel@freebsd.org> To: Patrick Lamaiziere <patfbsd@davenulle.org> Cc: freebsd-questions@freebsd.org Subject: Re: issue with limiting java's memory usage Message-ID: <20120129213014.GA33374@freebsd.org> In-Reply-To: <20120129221103.0de22d3f@davenulle.org> References: <20120129193411.GA19304@freebsd.org> <20120129221103.0de22d3f@davenulle.org>
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On Sun Jan 29 12, Patrick Lamaiziere wrote: > Le Sun, 29 Jan 2012 19:34:11 +0000, > Alexander Best <arundel@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.
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