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Posted to users@httpd.apache.org by Steve Finkelstein <sf...@stevefink.net> on 2008/03/14 22:32:43 UTC
[users@httpd] Re: Logging mod_deflate compression ratios
Well, since I use VirtualHosts, I guess the right thing to do would be
to stuff the CustomLog into a VirtualHost directive, silly me. :P
One last question. I'm trying to figure out how the ratio system
works for this log config. For instance:
"GET /javascript/ext/ext-all.js HTTP/1.1" 134241 (26) "Mozilla/5.0
(Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.12) Gecko/20080201
Firefox/2.0.0.12"
New filesize is 134241 after compression. If the original size is
507857, where is it deriving (26) from? What does the 'ratio' signify?
It's not percentage in savings, clearly.
/sf
On 3/14/08, Steve Finkelstein <sf...@stevefink.net> wrote:
> Hi all,
>
> I'm trying to log actual ratios of Compression that mod_deflate is
> responsible for handling. I've followed the guidelines on Apache's
> site and have the following directives setup:
>
> DeflateFilterNote Input instream
> DeflateFilterNote Output outstream
> DeflateFilterNote Ratio ratio
>
> SetOutputFilter DEFLATE
> SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
> Header append Vary User-Agent env=!dont-vary
> DeflateCompressionLevel 9
>
> LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate
> CustomLog logs/deflate_log deflate
>
>
> After restarting Apache, I unfortunately only see the following in deflate_log:
>
> argon logs # cat deflate_log
> "GET / HTTP/1.0" -/- (-%)
> "GET / HTTP/1.0" -/- (-%)
> "GET / HTTP/1.0" -/- (-%)
> "GET / HTTP/1.0" -/- (-%)
> "GET / HTTP/1.0" -/- (-%)
> "GET / HTTP/1.0" -/- (-%)
>
>
> etc.
>
> Any idea on what I'm possibly doing wrong?
>
>
> /sf
>
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