*BSD News Article 78868


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From: eay@mincom.oz.au (Eric Young)
Newsgroups: comp.os.linux.misc,comp.unix.bsd.freebsd.misc,comp.infosystems.www.misc
Subject: Re: Unix too slow for a Web server?
Date: 23 Sep 1996 02:02:04 GMT
Organization: Mincom Pty. Ltd.
Lines: 29
Distribution: world
Message-ID: <524r2s$pdv@cygnus.mincom.oz.au>
References: <323ED0BD.222CA97F@pobox.com> <51nn4m$gn3@usenet.srv.cis.pitt.edu>  <51p3e8$l2f@panix.com> <s8k9tp6wpn.fsf@sphinx.nuclecu.unam.mx>
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Xref: euryale.cc.adfa.oz.au comp.os.linux.misc:130849 comp.unix.bsd.freebsd.misc:27737 comp.infosystems.www.misc:43943

In article <s8k9tp6wpn.fsf@sphinx.nuclecu.unam.mx>, Miguel de Icaza <miguel@sphinx.nuclecu.unam.mx> writes: 
|> > Evidence:	Benchmark tests show IIS outperforms all other Windows NT Web 
|> > 		  Servers by at least 250%, even outrunning expensive 
|> > 		  UNIX-based solutions (which require propriety hardware).
|> May be true if you are running your web server doing reverse name
|> lookups.  This is specially bad with all of those machines that do not
|> have a DNS entry.
|> 
|> New versions of Apache have a way to toggle this behaviour off.  This
|> is the default for IIS: it does not do reverse name lookups and thus
|> saves a lot of time.  With the new version of Apache there is a
|> program included for converting the log files with IP addresses to log
|> files with hostnames.
|> 
|> Hope this helps,
|> Miguel.
|> 
|>

This does make sense.  Considering that the WinSock API (used by NT)
has asychronious functions for doing gethostbyXXXX() lookups and
most unix systems do not, I would expect IIS to also perform better when
doing full name lookups (if this interface is being used correctly by
IIS :-).

eric
--
Eric Young                  | Signature removed since it was generating
AARNet: eay@mincom.oz.au    | more followups that the message contents :-)