Difference between Codahale metrics and Dropwizard metrics

Vishal Sharma :

I'm new to Java. While exploring the ways of monitoring Cassandra, I found out(https://cassandra.apache.org/doc/latest/operating/metrics.html) that "Metrics in Cassandra are managed using the Dropwizard Metrics library". However, at several places I've read about Codahale Metrics which has got me confused regarding the difference/relationship between the two. Are these different libraries doing the same thing or is it that what's called as dropwizard metrics used to be called as Codahale Metrics earlier?