Charts dashboard spec

{
  "rootSection": {
    "title": {
      "tip": "",
      "content": "Task statistics"
    },
    "sections": [],
    "isExpandedByDefault": false,
    "description": "",
    "charts": [
      {
        "yAxes": [
          {
            "valueProvider": {
              "functionName": "currentValue",
              "functionArguments": {}
            },
            "unitOptions": null,
            "unitName": "bytesPerSec",
            "name": "Bytes per sec.",
            "minInterval": 1,
            "id": "bytesAxis"
          },
          {
            "valueProvider": {
              "functionName": "currentValue",
              "functionArguments": {}
            },
            "unitOptions": {
              "customName": "files/s"
            },
            "unitName": "custom",
            "name": "Files per sec.",
            "minInterval": 1,
            "id": "filesAxis"
          }
        ],
        "title": {
          "tip": "",
          "content": "Processing stats"
        },
        "seriesGroupBuilders": [],
        "seriesBuilders": [
          {
            "builderType": "static",
            "builderRecipe": {
              "seriesTemplate": {
                "yAxisId": "bytesAxis",
                "type": "line",
                "name": "Bytes processed",
                "id": "series1",
                "groupId": null,
                "dataProvider": {
                  "functionName": "rate",
                  "functionArguments": {
                    "timeSpanProvider": null,
                    "inputDataProvider": {
                      "functionName": "loadSeries",
                      "functionArguments": {
                        "sourceType": "external",
                        "sourceSpecProvider": {
                          "functionName": "literal",
                          "functionArguments": {
                            "data": {
                              "externalSourceParameters": {
                                "timeSeriesNameGenerator": "bytesProcessed",
                                "timeSeriesName": "bytesProcessed",
                                "metricNames": [
                                  "sum5s",
                                  "sum1m",
                                  "sum1h"
                                ]
                              },
                              "externalSourceName": "store"
                            }
                          }
                        },
                        "replaceEmptyParametersProvider": {
                          "functionName": "literal",
                          "functionArguments": {
                            "data": {
                              "fallbackValueProvider": {
                                "functionName": "literal",
                                "functionArguments": {
                                  "data": 0
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                },
                "color": null
              }
            }
          },
          {
            "builderType": "static",
            "builderRecipe": {
              "seriesTemplate": {
                "yAxisId": "filesAxis",
                "type": "bar",
                "name": "Files processed",
                "id": "series2",
                "groupId": null,
                "dataProvider": {
                  "functionName": "rate",
                  "functionArguments": {
                    "timeSpanProvider": null,
                    "inputDataProvider": {
                      "functionName": "loadSeries",
                      "functionArguments": {
                        "sourceType": "external",
                        "sourceSpecProvider": {
                          "functionName": "literal",
                          "functionArguments": {
                            "data": {
                              "externalSourceParameters": {
                                "timeSeriesNameGenerator": "filesProcessed",
                                "timeSeriesName": "filesProcessed",
                                "metricNames": [
                                  "sum5s",
                                  "sum1m",
                                  "sum1h"
                                ]
                              },
                              "externalSourceName": "store"
                            }
                          }
                        },
                        "replaceEmptyParametersProvider": {
                          "functionName": "literal",
                          "functionArguments": {
                            "data": {
                              "fallbackValueProvider": {
                                "functionName": "literal",
                                "functionArguments": {
                                  "data": 0
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                },
                "color": null
              }
            }
          }
        ]
      }
    ],
    "chartNavigation": "independent"
  }
}