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Subject [users@httpd] Mod_proxy_balancer issues
Date Wed, 05 Mar 2008 15:41:27 GMT

I'm trying to create two balancers within a single virtual host in order
to distinguish between static content and dynamically generated
(application) data.

I have two webservers; on each one, I run an apache instance for static
content on port 81, documentroot /var/www/html-static and an apache
instance for application data on port 80, documentroot /var/www/html-apps

I've tried the following setup

<VirtualHost _default_:443>

   ProxyRequests Off

   <Proxy *>
     Order deny,allow
     Allow from all

   ProxyPass /static/ balancer://static-cluster/
   ProxyPass /apps/ balancer://apps-cluster/

   <Proxy balancer://static-cluster>
     BalancerMember http://web1.domain:81 loadfactor=1
     BalancerMember http://web2.domain:81 loadfactor=1

   <Proxy balancer://apps-cluster>
     BalancerMember http://web1.domain:80 loadfactor=1
     BalancerMember http://web2.domain:80 loadfactor=1


I've omitted proxypassreverse directives for now, but my general problem
is that getting cluster/static/index html or cluster/apps/index.html
sometimes tries to retrieve the index.html from a wrong apache instance
(ie getting static/... from aport 80 apache when it should connect to port
81 instances).

So my questions are: is what I'm trying to do supported (> 1 balancer in a
single virtual host, depending on the URL accessed), and if so, what am I
conceptually doing wrong in my setup?

(I have already tried lots of different permutations of using / omitting
trailing slashes to the paths mentioned)


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