Grafana dashboard: Apache Flink (2021) Dashboard for Job / Task Manager
Description: Dashboard for Job Manager and Task Manager, prepared for versions: 1.12.X, 1.13.X

# Apache Flink

## Dashboard for: 
 - Job Manager
 - Task Manager

## Prepared for versions:
 - 1.12.X
 - 1.13.X

## Proof of Concept
[https://github.com/seemscloud/docker-apache-flink](https://github.com/seemscloud/docker-apache-flink)
```
global:
  scrape_interval: 10s
  evaluation_interval: 10s

scrape_configs:
  - job_name: "flink-task-manager"
    dns_sd_configs:
      - names:
          - 'flink-tm'
        refresh_interval: 10s
        type: 'A'
        port: 9260
    metrics_path: /
  - job_name: "flink-job-manger"
    static_configs:
      - targets: [ "flink-jm:9260" ]
    metrics_path: /
```

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
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      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "8.1.0"
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "stat",
      "name": "Stat",
      "version": ""
    },
    {
      "type": "panel",
      "id": "text",
      "name": "Text",
      "version": ""
    },
    {
      "type": "panel",
      "id": "timeseries",
      "name": "Time series",
      "version": ""
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "description": "Dashboard for Job Manager and Task Manager, prepared for versions: 1.12.X, 1.13.X",
  "editable": true,
  "gnetId": 14911,
  "graphTooltip": 0,
  "id": null,
  "iteration": 1629751362277,
  "links": [],
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      },
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      "panels": [
        {
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          "fieldConfig": {
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              },
              "custom": {
                "axisLabel": "",
                "axisPlacement": "auto",
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                "drawStyle": "line",
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          },
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              "legendFormat": "{{instance}}",
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          ],
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        },
        {
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                "spanNulls": false,
                "stacking": {
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          },
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              "interval": "",
              "legendFormat": "{{instance}}",
              "refId": "A"
            }
          ],
          "title": "Time",
          "type": "timeseries"
        },
        {
          "datasource": "${DS_PROMETHEUS}",
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              },
              "mappings": [],
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          },
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          },
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            }
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          ],
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            }
          ],
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          "type": "timeseries"
        }
      ],
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    },
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