HDInsight is Microsoft’s Hadoop-based distribution.
HDInsight comes in two flavors:
HDInsight Server for local on-premise installation of the Hadoop distribution, this will allow to build local cluster with your own Hadoop Hive able to run Hadoop Jobs, on top of that fully integration with Microsoft BI Stack
HDInsight on Azure Service is the easiest way to deploy, manage and scale Hadoop based solution. Current release includes: