https://www.elastic.co/docs/reference/beats/metricbeat/metricbeat-metricset-golang-expvar
Golang expvar metricset | Beats
This is the expvar metricset of the Golang module. Go can expose its variables by the expvar API. With this metricset, you can collect all the expvar-exposed...
golang expvar metricsetbeats
https://go.googlesource.com/go/+/refs/tags/go1.8.5rc5/src/expvar/expvar.go
src/expvar/expvar.go - go - Git at Google
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