Apache Hadoop YARN (Yet Another Resource
Negotiator) is a cluster management technology. Data is saved
in files and is located on nodes in blocks manages by
DataNodes, usually one per node in the cluster and this
management is done by YARN in Hadoop framework. In
Yarn framework Resource manager is a key part that manages
the client request and keep track of Node managers.
Computational Resources are provides by the Node managers
and Application Masters Coordinates the execution of all the
tasks.