{
  "dataSources" : {
    "metrics-kafka" : {
      "spec" : {
        "dataSchema" : {
          "dataSource" : "metrics-kafka",
          "parser" : {
            "type" : "string",
            "parseSpec" : {
              "timestampSpec" : {
                "column" : "timestamp",
                "format" : "auto"
              },
              "dimensionsSpec" : {
                "dimensions" : [],
                "dimensionExclusions" : [
                  "timestamp",
                  "value"
                ]
              },
              "format" : "json"
            }
          },
          "granularitySpec" : {
            "type" : "uniform",
            "segmentGranularity" : "hour",
            "queryGranularity" : "none"
          },
          "metricsSpec" : [
            {
              "type" : "count",
              "name" : "count"
            },
            {
              "name" : "value_sum",
              "type" : "doubleSum",
              "fieldName" : "value"
            },
            {
              "fieldName" : "value",
              "name" : "value_min",
              "type" : "doubleMin"
            },
            {
              "type" : "doubleMax",
              "name" : "value_max",
              "fieldName" : "value"
            }
          ]
        },
        "ioConfig" : {
          "type" : "realtime"
        },
        "tuningConfig" : {
          "type" : "realtime",
          "intermediatePersistPeriod" : "PT10M",
          "windowPeriod" : "PT10M"
        }
      },
      "properties" : {
        "task.partitions" : "1",
        "task.replicants" : "1",
        "topicPattern" : "metrics"
      }
    }
  },
  "properties" : {
    "zookeeper.connect" : "master.example.com",
    "druid.discovery.curator.path" : "/druid/discovery",
    "druid.selectors.indexing.serviceName" : "druid/overlord",
    "commit.periodMillis" : "15000",
    "consumer.numThreads" : "2",
    "kafka.zookeeper.connect" : "kafka-zk.example.com",
    "kafka.group.id" : "tranquility-kafka"
  }
}