[users@httpd] Question about Proxy Balancer

[Ch...@TravelChannel.com]

Guys and list mates,

I got a strange problem. We are using mod_ajp  on two boxes. Each box has three JVM.  We had try to set up a proxy balancer for the jvm's


<Proxy balancer://potapp>
   BalancerMember ajp://taprcomwap06:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=node1
   BalancerMember ajp://taprcomwap06a:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=taprcomwapp06a
   BalancerMember ajp://taprcomwap06b:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=taprcomwapp06b
   BalancerMember ajp://taprcomwap05:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=taprcomwapp05
   BalancerMember ajp://taprcomwap05a:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=taprcomwapp05a
   BalancerMember ajp://taprcomwap05b:8009 smax=20 min=0 max=10 loadfactor=1 flushpackets=on route=taprcomwapp05b
   ProxySet balancer://potapp lbmethod=bytraffic stickysession=JSESSIONID|jsessionid nofailover=On
</Proxy>

The problem that we are having it not keeping the sticky, if we log in we can move a out for a couple click before we get another request to log in, or we get a 404.

The the things I have done that seems to work, is I have taken  each jvm and made it into a virtual host with it own proxy balancer.

<VirtualHost *:80>
   ServerName taprcomwap06.travelchannel.com
   DocumentRoot "/Vignette/vcmworking/dagent_docroot/"
   CustomLog "|/usr/sbin/rotatelogs -l /var/log/httpd/taprcomwap06.access.%Y%m%d.log 86400" combined
   ErrorLog "|/usr/sbin/rotatelogs -l /var/log/httpd/taprcomwap06.error.%Y%m%d.log 86400"

   <Proxy balancer://potapp>
        BalancerMember ajp://taprcomwap06:8009  smax=20 min=0 max=10 loadfactor=1 route=taprcomwap06
        ProxySet lbmethod=bytraffic timeout=5 stickysession=JSESSIONID|jsessionid
   </Proxy>
</VirtualHost>

This is working. We aren't losing any sticky sessions. But my question is this, how can I get the Proxy balancer to work. What do I need to look at the logs to see why  it failing. Is the way I did the best for virtual java machine?

CHUCK PAYNE |  Unix System Administrator

TRAVEL CHANNEL MEDIA
3700 Mansell Rd, Suite 500
Alpharetta, GA 30022
Office: 404-269-5533
Blackberry: 770-940-7765
email:chuck.payne@travelchannel.com

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