mpd + high cpu usage
From: Iasen Kostov (tbyte_at_OTEL.net)
Date: 02/23/05
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Date: Wed, 23 Feb 2005 13:20:23 +0200 To: freebsd-net@freebsd.org
Hi,
I'm running some pptp servers using poptop+ppp and now I'm trying
how the situation will look like with mpd. I'm comparing two pptp ACs -
one using poptop+ppp and one using mpd. Both have 250 connected users
who are generating about 1MByte/sec.
poptop+ppp :
CPU states: 13.6% user, 0.0% nice, 12.1% system, 20.6% interrupt, 53.7%
idle
and many ppp + pptpctrl
mpd:
CPU states: 11.7% user, 0.0% nice, 33.1% system, 36.2% interrupt, 19.1%
idle
90677 root 111 0 11100K 10028K RUN 175:27 39.75% 39.75% mpd
or
90677 root 111 0 11100K 10028K select 175:17 37.84% 37.84% mpd
Interesting thing is that sometimes cpu usage of mpd falls to 3-4% and
the processor goes to 80% idle but only for a few seconds.
Regards
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