" With great power comes great confusion"
It is not enough to generate, collect and store metrics; One needs to know how to design, handle and analyse them to get the full benefit of metrics. Due to the statistical nature of metrics, there are various gotchas associated them - and the rabbit hole goes deeper when you discover how collectors, aggregators and graphing systems handle metrics.
In this talk we will explore the basics of metrics and how to use them correctly to detect problems, correlate and investigate issues. This is intended to be an interactive talk.