Date: Tue, 06 May 2008 21:33:33 +0300 From: Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua> To: net@freebsd.org Cc: Julian Elischer <julian@elischer.org> Subject: Re: Problems with netgraph Message-ID: <4820A47D.8010404@samoylyk.sumy.ua> In-Reply-To: <48209BC4.5080602@elischer.org> References: <48207C8B.4020509@samoylyk.sumy.ua> <48209BC4.5080602@elischer.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Julian Elischer wrote: > Oleksandr Samoylyk wrote: >> Dear developers, >> >> Please read this thread: >> http://lists.freebsd.org/pipermail/freebsd-net/2008-May/017891.html >> >> I'm using no encryption and no compression in mpd, so netgraph should >> fly. >> It seems to get bad after 500 sessions... >> >> In FreeBSD 6 - it's swi1: net - 100% CPU >> In FreeBSD 7 - it's em0 taskq - 100% CPU > > unfortunatly I've been totally ignoring this thread because it said > "trouble with em" in the topic.. > If you'd said > trouble with mpd then maybe I'd have looked earlier.. > >> >> After playing with it I can make guess that's a netgraph problem. >> >> Maybe it's a poor design in netgraph the way it handle its tables and >> it's is probably not designed to add so many interfaces. > > how many? more than 2500 >> Might be there something in the source code I can edit to improve the >> table lookups or hash table or whatever netgraph use to store and >> process the node information and do the ppp/gre work. > > netgraph just had some work done on it for this exact reason, > but you may be jumping the gun a bit.. > >> > -- Oleksandr Samoylyk OVS-RIPE
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4820A47D.8010404>