Date: Tue, 23 Apr 1996 11:02:15 -0500 (CDT) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: wollman@lcs.mit.edu (Garrett Wollman) Cc: jgreco@brasil.moneng.mei.com, ishort@pcm.co.za, questions@freebsd.org, isp@freebsd.org Subject: Re: Bandwidth limited FTP server Message-ID: <199604231602.LAA29590@brasil.moneng.mei.com> In-Reply-To: <9604231524.AA07676@halloran-eldar.lcs.mit.edu> from "Garrett Wollman" at Apr 23, 96 11:24:59 am
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> <<On Tue, 23 Apr 1996 10:18:09 -0500 (CDT), Joe Greco <jgreco@brasil.moneng.mei.com> said: > > >> This won't work in the standard ftpd because we write the entire file > >> in a single call to write(2). > > > Detail. It can be broken up... > > That's the way it used to be. I changed it intentionally to work the > way it is now, so that our FTP performance would be the fastest > possible. > > It would still be possible to change wu-ftpd to slow itself down. I would hazard a guess that you mmap()'d the victim file, and did a write() on the whole region..? :-) Clever... ... Joe ------------------------------------------------------------------------------- Joe Greco - Systems Administrator jgreco@ns.sol.net Solaria Public Access UNIX - Milwaukee, WI 414/546-7968
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