By the way, this is hard work. Make sure you have some time to focus when you go to do it.
Wednesday, June 3, 2009
Event Modeling Over Time
I had to haul this one out again today: time-based event modeling. In a nutshell, I was looking for patterns, and I was looking for some sort of variation in the patterns to figure out what on earth might have changed. It's useful for a case where no one thing went wrong; the system just slowly churned itself into the ground. And so I figure out how this slow spiral started by looking at the heartbeat of the system, and following it down.