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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