[jboss-user] [Performance Tuning] - Clustered JBoss with Cisco Content Switch

[zambak]

Hi

We have a setup where 2 JBoss servers are set up in the cluster with Cisco Content Switch (CSS) in front performing load balancing with sticky session and keepalives.

Servers host multiple web application using virtual host names.
weabpp1.mydomain.org
webapp2.mydomain.org
etc, etc...

In order to do keepalives per virtual host CSS sends out non persistent fin-ack HTTP 200 header to each webapp like this:
"HEAD /page/index.jsf HTTP/1.0"

It does this every 5 seconds (pooling)...

This technique creates sessions for each hit and until session count reaches about 950 sessions none of them are being destroyed.

If anyone knows or has experience on how to force a session to be closed I would appreciate the input.

Regards
Z

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