A port of Coda Hale's excellent metrics library for the JVM

https://github.com/codahale/metrics

For motivation about why you might want to track application metrics, check Coda's talk:

http://www.youtube.com/watch?v=czes-oa0yik

Interesting portions of this package's documentation were also appropriated from the metrics library's documentation:

http://metrics.codahale.com