Date: Tue, 06 May 2008 20:47:58 +0300 From: Oleksandr Samoylyk <oleksandr@samoylyk.sumy.ua> To: net@freebsd.org Subject: Re: Problems with netgraph Message-ID: <482099CE.5050802@samoylyk.sumy.ua> In-Reply-To: <4820801A.90504@samoylyk.sumy.ua> References: <48207C8B.4020509@samoylyk.sumy.ua> <4820801A.90504@samoylyk.sumy.ua>
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Oleksandr Samoylyk пишет: > 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 >> >> 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. >> >> 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. >> > > I can also offer a shell access to server in order to investigate the > problem. > # ngctl list ngctl: send msg: No buffer space available However: kern.ipc.maxpipekva="400000000" net.graph.maxalloc="8192" net.graph.maxdgram="256000" net.graph.recvspace="256000" -- Oleksandr Samoylyk OVS-RIPE
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