Multiple BI Publisher on a server and its URL change

Building on the concept of changing files in the war (web archive) and hosting multiple applications, we will now try to host multiple BI Publisher applications on the same server. This process of changing files in war package and deploying it has been discussed in the following post

Changing the default URL of OBIEE

We have a limitation that we can only install one OBIEE server and 1 presentation server on a machine

Installing OBIEE on a Solaris box

There are 2 kinds of possible installations

a.       Basic

b.      Advanced

Oracle Business Intelligence Repository Tuning

I am trying to collect the few steps that might help in repository tuning. The benefits of tuning something up the ladder will be less than the benefits of fixing things at the base of the ladder