Date: Tue, 11 Feb 2014 00:30:02 +0100 From: Christian Weisgerber <naddy@mips.inka.de> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-net@freebsd.org Subject: Re: Terrible NFS performance under 9.2-RELEASE? Message-ID: <20140210233002.GA2103@lorvorc.mips.inka.de> In-Reply-To: <2059385169.3089582.1391993655512.JavaMail.root@uoguelph.ca> References: <ld8ft9$25o0$1@lorvorc.mips.inka.de> <2059385169.3089582.1391993655512.JavaMail.root@uoguelph.ca>
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Rick Macklem: > > When I switched my desktop box from FreeBSD 7 to 9, NFS read > > performance from my media server (running OpenBSD) became extremely > > poor. I couldn't even stream a movie any longer. Disabling TSO > > on the nfe(4) interface had no effect. My workaround was to switch > > from a TCP mount to a UDP one. The problem has persisted to FreeBSD > > 10. > > > > I can now report that switching to [rw]size=32768 with a TCP mount > > also works fine. > > > If it is convenient, trying a 64K TCP mount with a kernel that has the > attached patch (which makes it use page size clusters and reduces the > # of segments to 18) to see if it works well, would be interesting. No, this works very poorly. -- Christian "naddy" Weisgerber naddy@mips.inka.de
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