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From "Shapira, Yoav" <>
Subject RE: Apache Tomcat production deployment: yr opinion reqd
Date Wed, 17 Nov 2004 16:30:48 GMT

It's kind of funny how you spelled our the first four long words in the
subject, but then "yr" for your ;)

>a) Is Apache web server/Tomcat a proven production
>option for large-scale deployments (we are looking at
>about 1000 users served by a single instance of
>Apache/Tomcat3.x on an AS/400 box]. Now, this might
>sound silly but we would be extremely happy if someone
>can allay our concerns :)

Yes, Apache/Tomcat is a proven production options for deployments much
larger than yours.  There are commercial sites serving millions of hits
per day easily.  However, I believe they use mostly Tomcat 4.x and 5.x.
For Tomcat 3.x, I'm not an expert and don't know.

>b) I believe the default configuration settings for
>Apache/Tomcat are usuallly appropriate for a
>medim-sized deployment. 

Whatever you based that belief on, consider it carefully.

>document/web-site/ list mail archive that can guide me
>on how to arrive at optimum configuration settings?

Search these archives.  Look at the Tomcat and Apache configuration
references.  And most importantly, test your specific app against its
expected load.  No one else can do that work for you, and there are no
magic settings that will just work.

>c) Are there any performance improvements that I can
>expect if i upgrade to Tomcat 4.x?

Yes.  And even more for 5.x.


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