Date: Thu, 03 Jul 2014 14:26:35 -0700 From: "Russell L. Carter" <rcarter@pinyon.org> To: freebsd-net@freebsd.org Subject: Re: NFS client READ performance on -current Message-ID: <53B5CA8B.1050707@pinyon.org> In-Reply-To: <20140703090733.5a648056@tmu.ulm.sysgo.com> References: <53B49AE0.4030902@pinyon.org> <371130768.6608219.1404345846086.JavaMail.root@uoguelph.ca> <CAHu1Y738u1OGG6MC29kT4860pwCUSvDobRnNrhcdKCTubJN2SQ@mail.gmail.com> <53B4A605.8000604@pinyon.org> <20140703090733.5a648056@tmu.ulm.sysgo.com>
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On 07/03/14 00:07, Thomas Mueller wrote: > On Wed, 02 Jul 2014 17:38:29 -0700, Russell L. Carter wrote: >> On the second suggestion: >> >> root@feyerabend> sysctl -a | grep dev.em | grep enable_ >> root@feyerabend> > > tmu:~$ sysctl -a | grep msix > hw.em.enable_msix: 1 > hw.igb.enable_msix: 1 > hw.ix.enable_msix: 1 > [...] > > I set hw.em.enable_msix=0 on first the server and then the server + client and NFSv4.1 read throughput is unchanged. For a 5GB transfer it settles down to a range of 58-68MB/s eventually. I then set it back to enabled for both server and client and saw the same rates. Russell
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