Grafana dashboard: JVM metrics
Description: Dashboard for JVM metrics within Kubernetes, where Prometheus installed using community helm chart

Based on https://grafana.com/grafana/dashboards/8563

Shows JVM metrics for memory, classes, threads etc.. Uses metrics published by default JMX exporter. 

Shows only JVM information, without dependencies on other exporters.

Uses default Prometheus tags names, as configured by https://github.com/prometheus-community/helm-charts

----

Revision one:

Fixed the label names according to
https://github.com/prometheus-community/helm-charts/pull/1520

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