DataDog/dd-agent — pull request #1024 by qqfr2507 (2014-07-08 22:05:56+00:00)
Title: Update elasticsearch metrics according to different ES versions

Tested with ES 0.90.5 -> 0.90.10.
This is related to https://github.com/DataDog/dd-agent/pull/1010
The new JVM metric names were introduced in ES 0.90.10. The other metrics are available starting with ES 0.90.5.