I want to use NIFI for ingesting data into druid for realtime dashboarding (device_id, sensor_id, sensor_value - without aggregation). I have no glue how the DruidTranquilityController should be configured in order to achive this.
Thank you in advance.
DruidTranquilityController - property "Aggregator JSON" should be 
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I did not understand,You may be guided.
Your answer is not complete for me