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Date: Sat, 19 Dec 2009 09:08:24 +0100 From: Arjan van de Ven <arjan@...radead.org> To: Steve Rago <sar@...-labs.com> Cc: Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>, linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org, Trond.Myklebust@...app.com, Wu Fengguang <fengguang.wu@...el.com>, "jens.axboe" <jens.axboe@...cle.com> Subject: Re: [PATCH] improve the performance of large sequential write NFS workloads On Fri, 18 Dec 2009 16:20:11 -0500 Steve Rago <sar@...-labs.com> wrote: > > I don't disagree, but "that's not what we do" hardly provides insight > into making the judgment call. In this case, the variety of > combinations of NFS server speed, NFS client speed, transmission link > speed, client memory size, and server memory size argues for a tunable > parameter, because one value probably won't work well in all > combinations. Making it change dynamically based on these parameters > is more complicated than these circumstances call for, IMHO. if you as the expert do not know how to tune this... how is a sysadmin supposed to know better? -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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