What is Apache Ambari? It provides a highly interactive dashboard which allows the administrators to visualize the progress and status of every application running over the Hadoop cluster. Its flexible and scalable user-interface allows a range of tools such as Pig, MapReduce, Hive, etc., to be installed on the cluster and administers their performances in a user-friendly fashion. Some of the key features of this technology can be highlighted as: Instantaneous insight into the health of Hadoop cluster using pre-configured operational metrics User-friendly configuration providing an easy step-by-step guide for installation Dependencies and performances monitored by visualizing and analyzing jobs and tasks Authentication, authorization and auditing by installing Kerberos-based Hadoop clusters Flexible and adaptive technology fitting perfectly in the enterprise environment. How is Ambari different from ZooKeeper? This description may confuse you as ZooKeeper performs