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HDF > Develop Data Flow & Streaming Applications > Hello World

Superset in Trucking IoT on HDF

Visualize Trucking Data

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Introduction

We know the role data visualization plays in data science applications. Let’s use Superset to create various visual representations of the data from the Trucking IoT dataset.

Outline

Superset Components

Environment Setup

We will be working in the trucking-iot project. If you have the latest Hortonworks DataFlow (HDF) Sandbox installed, then the demo comes preinstalled. If not or you do not already have it setup, then refer to Setup Demo on existing HDF/HDP.

Visit Real-Time Event Processing In NiFi, SAM, Schema Registry and SuperSet, follow Steps 1 – 4. Skip Step 5 from the tutorial in the link because we will go more in depth on creating Superset Visualization slices in this tutorial.

Setup Superset

1. Access Ambari at http://sandbox-hdf.hortonworks.com:8080/ with user credentials username/password = admin/admin

2. From the HDFS Service located in the left hand side bar, follow the steps to turn on HDFS. Click on HDFS -> Service Actions -> Start -> Turn off Maintenance Mode -> Confirm Start.

3. Also turn on YARN, Druid and Superset with maintenance mode turned off. If Kafka is off, turn it on too.

4. Open Superset at http://sandbox-hdf.hortonworks.com:9089/

5. Wait about 5 – 10 minutes for Kafka data to be consumed, then periodically, select the Sources dropdown and click on Refresh Druid Metadata. Eventually, the two Druid data sources will appear.

druid_metadata

Create Visualization Slices

Superset is being used to visualize the Druid data sources. From the characteristics of an effective visual display from the concepts section, we will apply them now to effectively visualize the average-speed-cube-01 and violation-events-cube-01 datasets.

Summary

Further Reading

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Tutorial Name
Superset in Trucking IoT on HDF

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