Prometheus
https://github.com/prometheus/client_golang/pull/731
Grafana
https://github.com/grafana/grafana/pull/23061
https://github.com/grafana/grafana/pull/22908
https://github.com/grafana/grafana/pull/20767
https://github.com/prometheus/client_golang/pull/731
https://github.com/grafana/grafana/pull/23061
https://github.com/grafana/grafana/pull/22908
https://github.com/grafana/grafana/pull/20767