Grafana dashboard: NiFi JMX exporter
Description: Complete dashboard using metrics from prometheus JMX exporter, with drill down per NiFi release > pod

Dashboard for jvm_* metrics which are exported by [jmx_exporter](https://github.com/prometheus/jmx_exporter) and scraped by [prometheus](https://github.com/prometheus/prometheus).

Gist is [here](https://gist.github.com/hemantha-kumara/de3884ddcd8125f955ab029b7c8776ca) 
Based on [JMX exporter prometheus](https://grafana.com/dashboards/7727)

NiFi options to run jmx_exporter
---
update "conf/bootstrap.conf" with below line
```yaml
java.arg.jmxopts=-javaagent:/jmx-exporter/jmx_prometheus_javaagent.jar=31300:/etc/nifi/jmx_config/nifi-jmx.yaml
```
NiFi pod configuration
---
```yaml
apiVersion: v1
kind: Pod
metadata:
  annotations:
    prometheus.io/port: "31300"
    prometheus.io/scrape: "true"
```

Prometheus configuration
---
```yaml
scrape_configs:
- job_name: kubernetes-pods
  scrape_interval: 1m
  scrape_timeout: 10s
  metrics_path: /metrics
  scheme: http
  kubernetes_sd_configs:
  - api_server: null
    role: pod
    namespaces:
      names: []
  relabel_configs:
  - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
    separator: ;
    regex: "true"
    replacement: $1
    action: keep
  - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
    separator: ;
    regex: (.+)
    target_label: __metrics_path__
    replacement: $1
    action: replace
  - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
    separator: ;
    regex: ([^:]+)(?::\d+)?;(\d+)
    target_label: __address__
    replacement: $1:$2
    action: replace
  - separator: ;
    regex: __meta_kubernetes_pod_label_(.+)
    replacement: $1
    action: labelmap
  - source_labels: [__meta_kubernetes_namespace]
    separator: ;
    regex: (.*)
    target_label: namespace
    replacement: $1
    action: replace
  - source_labels: [__meta_kubernetes_pod_name]
    separator: ;
    regex: (.*)
    target_label: kubernetes_pod_name
    replacement: $1
    action: replace
```



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