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

{
  "type": "index_parallel",
  "spec": {
    "dataSchema": {
      "dataSource": "updates-tutorial",
      "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_parallel",
      "inputSource": {
        "type": "combining",
        "delegates": [
          {
            "type": "druid",
            "dataSource": "updates-tutorial",
            "interval": "2018-01-01/2018-01-03"
          },
          {
            "type": "local",
            "baseDir": "quickstart/tutorial",
            "filter": "updates-data3.json"
          }
        ]
      },
      "inputFormat": {
        "type": "json"
      },
      "appendToExisting": false
    },
    "tuningConfig": {
      "type": "index_parallel",
      "maxRowsPerSegment": 5000000,
      "maxRowsInMemory": 25000,
      "maxNumConcurrentSubTasks": 2,
      "forceGuaranteedRollup": true,
      "partitionsSpec": {
        "type": "hashed",
        "numShards": 1
      }
    }
  }
}