Date: Wed, 15 Aug 2012 12:54:50 +0200 From: Ian FREISLICH <ianf@cloudseed.co.za> To: lev@FreeBSD.org Cc: current@FreeBSD.org Subject: Re: CURRENT as gateway on not-so-fast hardware: where is a bottlneck? Message-ID: <E1T1bFS-0000pM-Uk@clue.co.za> In-Reply-To: <42630017.20120815122119@serebryakov.spb.ru> References: <42630017.20120815122119@serebryakov.spb.ru> <157941699.20120815004542@serebryakov.spb.ru>
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Lev Serebryakov wrote: > Hello, Lev. > You wrote 15 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2012 =D0=B3., 0:45:= > 42: > > LS> Answer looks trivial: router CPU is bottleneck. But here is one additi= > onal > LS> detail: `top' never shows less than 50% of idle when torrents are > LS> active. And `idle' time with torrents traffic is ALWAYS is higher than > LS> without them, but with WiFi traffic. > Ok, additional information: it seems, that `top' is liar when > POLLING is enabled for em0 and vr1 NICs. I'm turned POLLING off, and > speeds are the same, but `idle' is no more 50%, it is `0%' when > gateway is overloaded. > > But i still feezes under load with ULE. It looks like ULE is broken. Are you sure it's a freeze and not a panic? I'm seeing very frequent panics on -CURRENT running as a gateway. Often, it doesn't come back without a powercycle because it's unable to complete a crashdump. Ian -- Ian Freislich
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