Date: Fri, 09 Jul 2004 21:36:33 -0500 From: Eric Anderson <anderson@centtech.com> To: Claus Guttesen <cguttesen@yahoo.dk> Cc: current@freebsd.org Subject: Re: nfs-server twice as fast written to as read from Message-ID: <40EF5631.2050406@centtech.com> In-Reply-To: <20040709234909.33212.qmail@web14102.mail.yahoo.com> References: <20040709234909.33212.qmail@web14102.mail.yahoo.com>
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Claus Guttesen wrote: >Hi. > >Is testing a nfs-server with current as of July 9'th. >While copying to and from the server to two different >hosts, I noticed that copying _to_ the server was >twice as fast as copying _from_ the server. This was >regardless of which host I tested from. > >Is using tcp, r/w-size 65536 on client, server: > >net.inet.tcp.sendspace: 65536 >net.inet.tcp.recvspace: 65536 > >All hosts are on 100 Mbit/s. > >It takes 5 min. 30 sec. copying 3 GB to, 11 min. 43 >sec. from the nfs-server. Is there a penalty reading >from the server in relation to nfs? > > It would be interesting to see how you were copying the data, and where it was coming from when writing, and going to when reading.. Eric -- ------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Talk sense to a fool and he calls you foolish. ------------------------------------------------------------------
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