What is best practice in IIS? One application pool for each application, or a shared application pool?

Question

In IIS 7, what is best practice? Should I create an application pool for each application, or should I share an application pool with as much application as possible?

Ar

Answer 1

In theory it is better to put each site to its own pool. In practice it takes much more RAM than placing the sites to a single pool. So, on most servers you will see 10-100 pools only, even if there are 1000 sites.