Confusing - Compression 5.0.16 - Filter or connector??? 2003-12-09 - By Shapira, Yoav
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Howdy,
That's not at all trivial to answer. The connector offers better performance
as Remy said. How much better? I don't know. I haven't seen benchmarks, so
you might want to do a few JMeter runs on your server, one with the connector
compression and one with the filter. If you use one, don't use the other.
You're only using one platform today -- will you have a more heterogeneous
environment in the future? If no, than the portability argument I made
probably applies less to you, and you can use the connector without worry in
this regard.
The connector supports the compression min size argument, as documented in the
compression attribute. It does not support the other two attributes of the
compression filter.
Yoav Shapira
Millennium ChemInformatics
>-- --Original Message-- --
>From: Ron Andersen [mailto:raa_2001@(protected)]
>Sent: Tuesday, December 09, 2003 11:34 AM
>To: Tomcat Users List
>Subject: Confusing - Compression 5.0.16 - Filter or connector???
>
>I am only using one platform and I need the best performance, since I will
>be compressing images. Therefore, if I use the connector compression, shall
>I turn the filter compression off(in web.xml). Also, does the connector(in
>server.xml) support the following attributes??
>
>compression="on"
> compressionMinSize="2048"
> noCompressionUserAgents="gozilla, traviata"
> compressableMimeType="text/html,text/xml"
>
>
>Remy Maucherat <remm@(protected)> wrote:
>Shapira, Yoav wrote:
>> Howdy,
>> Yup, it would be attempted twice (if the request matches both the filter
>> and the connector, which is the default setup). Personally I prefer the
>> filter, as it's more portable and not tomcat-specific.
>
>I prefer the connector, since it's faster and more powerful (you get the
>regexp based exception list Henri added, etc) :)
>If we (ever) get a gz impl that isn't an output stream and could work on
>"straight" byte arrays, we'd also be able to do the compression without
>facade objects at all, which would have the best performance.
>
>--
>xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>R�my Maucherat
>Senior Developer & Consultant
>JBoss Group (Europe) S�RL
>xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
>
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