Availability: Open Source
It is responsible for keeping track of running applications and their status and runs on top of Apache Hadoop.
It is a web-based management tool which manages, monitors as well as provisions the health of Hadoop clusters.
It offers highly interactive dashboards to visualize the progress as well as the status of every application which is running over the Hadoop Clusters
Flexible and scalable user interface
Simplified installation, Configuration, Management
Centralized security setup
Full visibility into cluster health
Highly extensible and customizable