Date: Tue, 06 May 2008 10:56:20 -0700 From: Julian Elischer <julian@elischer.org> To: Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua> Cc: net@freebsd.org Subject: Re: Problems with netgraph Message-ID: <48209BC4.5080602@elischer.org> In-Reply-To: <48207C8B.4020509@samoylyk.sumy.ua> References: <48207C8B.4020509@samoylyk.sumy.ua>
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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? > > 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.. >
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