Date: Fri, 2 Dec 2005 07:53:33 -0800 (PST) From: Nash Nipples <trashy_bumper@yahoo.com> To: freebsd-performance@freebsd.org Subject: Constraining CPU usage Message-ID: <20051202155333.52155.qmail@web36301.mail.mud.yahoo.com>
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Hi Guys!
It seems i cannot get a clear answer wherther it is possible to limit a CPU usage by a user process and should i do that at all.
I just wana run "tar -xzvf /usr/backup/pub.tar.gz /usr/home/pub" and do not cause something like this:
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU
3993 backup 139 20 8672K 8068K RUN 19:56 87.65% 87.65%
load averages: 0.99, 0.98, 0.88
As you can see in the figure above, renicing wont work.
Any hints? What to read? Thank you.
Nash
FreeBSD 5.3-RELEASE
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Duron(tm) processor (1202.73-MHz 686-class CPU)
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