Date: Fri, 13 Sep 2013 19:50:54 -0400 From: "Sam Fourman Jr." <sfourman@gmail.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: "Alexander V. Chernikov" <melifaro@yandex-team.ru>, Luigi Rizzo <luigi@freebsd.org>, Andre Oppermann <andre@freebsd.org>, freebsd-hackers@freebsd.org, freebsd-arch@freebsd.org, Adrian Chadd <adrian@freebsd.org>, "Andrey V. Elsukov" <ae@freebsd.org>, FreeBSD Net <net@freebsd.org> Subject: Re: Network stack changes Message-ID: <CAOFF%2BZ0afxp%2BZyD9%2BmFmoMopfXSSaZ10t2i3fJMwEPxi278R%2Bw@mail.gmail.com> In-Reply-To: <221093226.23439826.1379112203059.JavaMail.root@uoguelph.ca> References: <6BDA4619-783C-433E-9819-A7EAA0BD3299@neville-neil.com> <221093226.23439826.1379112203059.JavaMail.root@uoguelph.ca>
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> > And any time you increase latency, that will have a negative impact on > NFS performance. NFS RPCs are usually small messages (except Write requests > and Read replies) and the RTT for these (mostly small, bidirectional) > messages can have a significant impact on NFS perf. > > rick > > this may be a bit off topic but not much... I have wondered with all of the new tcp algorithms http://freebsdfoundation.blogspot.com/2011/03/summary-of-five-new-tcp-congestion.html what algorithm is best suited for NFS over gigabit Ethernet, say FreeBSD to FreeBSD. and further more would a NFS optimized tcp algorithm be useful? Sam Fourman Jr.
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