lokalisten blog for the Sun Fire T2000

Tuesday, May 09, 2006

Installation of Tomcat and mod_jk

Since OPenPKG ist installed, we are able to install different versions of all software at the same time and switch to the desired version very easily without noteworthy downtimes.

Until now, we only had one instance of Apache, one instance of Tomcat and one instance of MySQL. The Sun T2000 is planned for the middle tier, the application server layer. In order to balance load among the multiple application servers, we use mod_jk, which is a plug-in of the Apache webserver using sticky sessions to send a user to the same application server instance which he connected the first time when enabling the session.

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