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From Paul Querna <>
Subject Re: mod_mbox
Date Tue, 11 Oct 2005 04:13:03 GMT
Garrett Rooney wrote:
> On 10/10/05, Joshua Slive <> wrote:
>> 1. Do we really want people "subscribing" to mailing lists using atom
>> over http?  This would consume way more resources than a standard
>> mailing list subscription (due to the polling nature of atom).  I don't
>> have any evidence, but this worrys me.
> I guess the question is, what are we concerned about?
> Is it the bandwidth used by people downloading the feeds?  Is it the
> CPU server side that we need to spend serving them up?  Is it both?
> If it's both, pretty much the only answer is to offload the feed
> hosting to another service (feedburner or something like that).  If
> it's one or the other there are steps that can be taken.  To reduce
> CPU mod_cache can be used.  To reduce bandwidth something like my
> mod_speedyfeed module can be used to cut down the response bandwidth
> for clients that send If-Modified-Since and/or Last-Modified headers. 
> You could even combine the two, but keep in mind that mod_speedyfeed
> burns CPU, and if you use mod_cache alone you end up sending back an
> entire feed even if a client only cares about a single entry.
> It just comes down to two questions.  Do we want to offer the service,
> and if so, what resource utilization do we want to optimize for?

Hell, if we want to optimize for bandwidth, we really should enable 
mod_deflate, which is pretty damn effective....


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