How to adjust an IIS application pool in Plesk?

Question

How to adjust an IIS application pool in Plesk?

How to protect the sites from each other so that one site cant affect performance/availability the other sites?

Answer

1. Log into Plesk.

2. Go to Domains > example.com > Dedicated IIS Application Pool for Website.

3. Set Maximum CPU usage (%) limit.

4. Select Limit action that IIS performs when a worker process exceeds the configured maximum CPU usage.

5. Set Limit interval (minutes) to specify the reset period for monitoring of CPU usage on an application pool at option.

Example:

Note: Actual values depend on server configuration and can be based on previous performance monitoring results.