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Big data analytics with Azure Data Explorer

Azure Data Explorer
Azure Event Hubs
Azure IoT Hub
Azure Storage
Azure Synapse Analytics

Solution ideas

This article describes a solution idea. Your cloud architect can use this guidance to help visualize the major components for a typical implementation of this architecture. Use this article as a starting point to design a well-architected solution that aligns with your workload's specific requirements.

This solution idea demonstrates big data analytics over large volumes of high-velocity data from various sources.

Apache® and Apache Kafka® are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries. No endorsement by The Apache Software Foundation is implied by the use of these marks.

Architecture

Diagram showing big data analytics with Azure Data Explorer.

Download a Visio file of this architecture.

Dataflow

  1. Raw structured, semi-structured, and unstructured (free text) data such as any type of logs, business events, and user activities can be ingested into Azure Data Explorer from various sources.
  2. Ingest data into Azure Data Explorer with low-latency and high throughput using its connectors for Azure Data Factory, Azure Event Hubs, Azure IoT Hub, Kafka, and so on. Alternatively, ingest data through Azure Storage (Blob or ADLS Gen2), which uses Azure Event Grid and triggers the ingestion pipeline to Azure Data Explorer. You can also continuously export data to Azure Storage in compressed, partitioned parquet format and seamlessly query that data as detailed in the Continuous data export overview.
  3. Export pre-aggregated data from Azure Data Explorer to Azure Storage, and then ingest the data into Synapse Analytics to build data models and reports.
  4. Use Azure Data Explorer's native capabilities to process, aggregate, and analyze data. To get insights at a lightning speed, build near real-time analytics dashboards using Azure Data Explorer dashboards, Power BI, Grafana, or other tools. Use Azure Synapse Analytics to build a modern data warehouse and combine it with the Azure Data Explorer data to generate BI reports on curated and aggregated data models.
  5. Azure Data Explorer provides native advanced analytics capabilities for time series analysis, pattern recognition, and anomaly detection and forecasting. Azure Data Explorer is also well integrated with ML services such as Databricks and Azure Machine Learning. This integration allows you to build models using other tools and services and export ML models to Azure Data Explorer for scoring data.

Components

  • Azure Event Hubs: Fully managed, real-time data ingestion service that's simple, trusted, and scalable.
  • Azure IoT Hub: Managed service to enable bi-directional communication between IoT devices and Azure.
  • Kafka on HDInsight: Easy, cost-effective, enterprise-grade service for open source analytics with Apache Kafka.
  • Azure Data Explorer: Fast, fully managed and highly scalable data analytics service for real-time analysis on large volumes of data streaming from applications, websites, IoT devices, and more.
  • Azure Data Explorer Dashboards: Natively export Kusto queries that were explored in the Web UI to optimized dashboards.
  • Azure Synapse Analytics: Analytics service that brings together enterprise data warehousing and Big Data analytics.

Scenario details

Potential use cases

This solution illustrates how Azure Data Explorer and Azure Synapse Analytics complement each other for near real-time analytics and modern data warehousing use cases.

This solution is already being used by Microsoft customers. For example, the Singapore-based ride-hailing company, Grab, implemented real-time analytics over a huge amount of data collected from their taxi and food delivery services as well as merchant partner apps. The team from Grab presented their solution at MS Ignite in this video (20:30 onwards). Using this pattern, Grab processed more than a trillion events per day.

This solution is optimized for the retail industry.

Contributors

This article is maintained by Microsoft. It was originally written by the following contributors.

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Next steps