Date: Sun, 29 Jan 2012 22:11:03 +0100 From: Patrick Lamaiziere <patfbsd@davenulle.org> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-questions@freebsd.org Subject: Re: issue with limiting java's memory usage Message-ID: <20120129221103.0de22d3f@davenulle.org> In-Reply-To: <20120129193411.GA19304@freebsd.org> References: <20120129193411.GA19304@freebsd.org>
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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. 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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