Date: Mon, 11 Mar 2013 10:36:50 -0700 From: Jack Vogel <jfvogel@gmail.com> To: Garrett Wollman <wollman@hergotha.csail.mit.edu> Cc: freebsd-net@freebsd.org Subject: Re: Limits on jumbo mbuf cluster allocation Message-ID: <CAFOYbcm3u-V811ROAE4FKa=5Ak87LKkTxB8q0nCixyTROW38cg@mail.gmail.com> In-Reply-To: <201303111709.r2BH999Z073667@hergotha.csail.mit.edu> References: <1154859394.3748712.1362959165419.JavaMail.root@erie.cs.uoguelph.ca> <513DB550.5010004@freebsd.org> <201303111605.r2BG5I6v073052@hergotha.csail.mit.edu> <CAFOYbck-m%2B71Ma7w2ixQNrFfN55pe6SOtGkNzm1AtahQe5S-FA@mail.gmail.com> <201303111709.r2BH999Z073667@hergotha.csail.mit.edu>
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Then you are using the default ring size, which is 2K descriptors, you might try reducing to 1K and see how that works. Jack On Mon, Mar 11, 2013 at 10:09 AM, Garrett Wollman < wollman@hergotha.csail.mit.edu> wrote: > In article > <CAFOYbck-m+71Ma7w2ixQNrFfN55pe6SOtGkNzm1AtahQe5S-FA@mail.gmail.com>, > jfvogel@gmail.com writes: > > >How large are you configuring your rings Garrett? Maybe if you tried > >reducing them? > > I'm not configuring them at all. (Well, hmmm, I did limit the number > of queues to 6 (per interface, it appears, so that's 12 in all).) > > There's a limit to how much experimentation my users will tolerate on > a production file server, so I can't realistically try anything out > until next weekend at the very earliest. I'm bringing up a second > server soon, but it won't have anything remotely like a real load on > it for some time. > > -GAWollman > >
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