RE: mod_proxy_balancer back end status check

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Reposting.

 

Here’s my configuration. After the 15 seconds timeout, the back end server (listening on port 8080 here)  returns a 502 page. Is there any configuration I can add to detect that beforehand, and get the balancer to redirect my request to the other server member?

 

Timeout 15

 

ProxyPass /HelloWorld/ balancer://tomcat/HelloWorld/

ProxyPassReverse /HelloWorld/ balancer://tomcat/HelloWorld/

 

<Proxy balancer://tomcat>

 BalancerMember http://localhost:8080 route=jvm001 redirect=jvm002

 BalancerMember http://localhost:8082 route=jvm002

</Proxy>

 

 

From: Edward Quick [mailto:Edward.Quick@xxxxxxxxxxxxx]
Sent: 08 March 2010 11:13
To: users@xxxxxxxxxxxxxxxx
Subject: mod_proxy_balancer back end status check

 

Hi,

 

When using mod_proxy_balancer, is it possible to configure the way it checks the status of the member servers in its cluster?

I have come across a scenario where the back end server is running, and accepts requests but doesn’t send responses. This gives the impression it is up, but in actual fact it’s as good as down. It would be good if we could set a timeout, or call a status script from mod_proxy_balancer, but I haven’t been able to find anything about this in the documentation. Any ideas?

 

Thanks for any help.

 

Edward.

 


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