Re: Migrating to Verio virtual web hosting: some q's for youse

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Article #388

#388

From: Malcolm Hoar
Date: Fri, 28 Sep 2001 22:24

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In article <9p2p35$1sk6$1@machaut.medieval.org>, mccomb@medieval.org (Todd Michel McComb) wrote:
>I'm still amazed that someone efficiency-oriented like Dillon
>ever put a hostname lookup into each hit.

It's not quite *that* bad; caching will help a lot.
I don't know whether Matt did that within Bestwwwd
or just relied upon DNS.

However, I think he did make the lookups somewhat
asynchronous with the actual servicing of the HTTP
request. With my cappy Pac Hell reverse, the latency
associated with the first hit is *much* lower on
Bestwwwd than it is on Apache (which appears to be
synchronous).

Based on my experience, doing the reverse lookups
with Apache has disasterous consequences for any
user coming from an address with a flaky reverse.
And that's a lot of users.

All of the above was deduced by observation; I
confess that I haven't actally checked any code.

-- 
Malcolm Hoar
malch@malch.com
Kant spell Neetchie

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From: malch@malch.com (Malcolm Hoar)
Newsgroups: best.general
Subject: Re: Migrating to Verio virtual web hosting: some q's for youse
Date: Fri, 28 Sep 2001 22:24:57 GMT
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