druid/examples/quickstart/tutorial/updates-append-index.json

{
  "type" : "index",
  "spec" : {
    "dataSchema" : {
      "dataSource" : "updates-tutorial",
      "parser" : {
        "type" : "string",
        "parseSpec" : {
          "format" : "json",
          "dimensionsSpec" : {
            "dimensions" : [
              "animal"
            ]
          },
          "timestampSpec": {
            "column": "timestamp",
            "format": "iso"
          }
        }
      },
      "metricsSpec" : [
        { "type" : "count", "name" : "count" },
        { "type" : "longSum", "name" : "number", "fieldName" : "number" }
      ],
      "granularitySpec" : {
        "type" : "uniform",
        "segmentGranularity" : "week",
        "queryGranularity" : "minute",
        "intervals" : ["2018-01-01/2018-01-03"],
        "rollup" : true
      }
    },
    "ioConfig" : {
      "type" : "index",
      "firehose" : {
        "type": "combining",
        "delegates": [
          {
            "type"    : "ingestSegment",
            "dataSource"   : "updates-tutorial",
            "interval" : "2018-01-01/2018-01-03"
          },
          {
            "type" : "local",
            "baseDir" : "quickstart/tutorial",
            "filter" : "updates-data3.json"
          }
        ]
      },
      "appendToExisting" : false
    },
    "tuningConfig" : {
      "type" : "index",
      "maxRowsPerSegment" : 5000000,
      "maxRowsInMemory" : 25000,
      "forceExtendableShardSpecs" : true
    }
  }
}