Date: Thu, 4 Feb 1999 16:05:42 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: "Dirk-Willem van Gulik (vaio)" <dirkx@webweaving.org> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Irratic Curve Message-ID: <199902050005.QAA91618@apollo.backplane.com> References: <36B97B38.74FF0B68@webweaving.org>
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:... :http://www.scl.ameslab.gov/Projects/Gigabit/performance/prelim.html : :Now could any one explain to me WHY freebsd appears so unpredicatable ? :i.e. not a nice S-curve ? Is that the way of measuring ? Some other :artifact, or real ? I think it is real, as I get the same sort of :holes in my graphs for the transaction server. : :Any chances on an expose.... : :Dw If you want a transactional connection over TCP to go fast, you generally have to turn off nagle. { int one = 1; setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &one, sizeof(one)); } If the connection is pipelined, it can be a different story. -Matt Matthew Dillon <dillon@backplane.com> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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