Galaxy includes many standard events you can use right out of the box, such as ENTRY_CREATED and LIFECYCLE_TRANSITION. (For the full list, click here). Using the Event API, you can also create your own events and create scripts that listen for them.
On November 18, 2008 at 9:00 AM PST (15:00 GMT) Wey Cheng and I will be presenting a webinar on Using MuleHQ to Manage Performance. You can register for the webinar here. Wey and I have been preparing an example to demonstrate typical read-world application performance issues and how to use MuleHQ to troubleshoot and resolve them. The webinar will focus on a live demo running a Mule application under load, observing some performance degradation,