HDInsight
HDInsight is an open-source analytics service on Microsoft Azure that runs Hadoop, Spark, and Kafka. It is used for big data processing to generate insights. The service integrates with Azure for enhanced analytics capabilities, allowing engineers to leverage familiar open-source frameworks within the cloud environment for their data workloads.
Choose HDInsight when you need managed Hadoop or Spark clusters on Azure. Be aware there is no free tier available. The pricing model is strictly pay-as-you-go, meaning costs accumulate based on usage without any initial free allowance to test the service before incurring charges.