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From Henri Gomez <>
Subject Re: [PATCH] mod_deflate extensions
Date Tue, 19 Nov 2002 14:41:06 GMT
Jeff Trawick wrote:
> Henri Gomez <> writes:
>>When you drop the network bandwith by 30 to 70% factor, you make your IT
>>managers happy since they save money and you make end-users very happy
>>since they feel you application is faster.
> when you drop the web server throughput by x% factor you may make
> yourself sad :)

What do you means by dropping the web server throughput by x% factor,
when you compress replies you send them quicker isn't it ?

>>So adding mod_deflate to the default distribution, under control of
>>configure which will verify if zlib is available on the system to enable
>>it, shouldn't hurt.
> I wish it were so simple as finding a zlib, but static zlib
> distributed with some OSs vs dynamic zlib distributed with others
> seems to be the difference between success and failure.
>>More users will use mod_deflate, more chance to see remaining bugs
>>discovered and fixed.
> I definitely agree that it would be nice to turn on mod_deflate in the
> build automagically, I just don't want to do it at the expense of more
> problems encountered by users.  I suspect that we would need to ship a
> subset of zlib ourselves in order to have a fool-proof build of it.

If you recall mod_gzip included its own copy of zlib compression/expand
functions, and mod_deflate could do the same. May be APR friends could 
help us by making an APR facade to gzip/zlib  (as they do for DBM for 

Nota that mod_gzip only use zlib system includes to rebuild its own 
compress code. Do you want me to send code to include zlib code this way 
in mod_deflate ?

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