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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!bunyip.cc.uq.oz.au!minbne.mincom.oz.au!cygnus.mincom.oz.au!mincom.oz.au!eay 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> NNTP-Posting-Host: saturn.mincom.oz.au 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 :-)