YARN is an Apache Hadoop technology and stands for Yet Another Resource Negotiator.
YARN is a large-scale, distributed operating system for big data applications.
The technology is designed for cluster management and is one of the key features in the second generation of Hadoop, the Apache Software Foundation’s open source distributed processing framework.
YARN is a software rewrite that is capable of decoupling MapReduce’s resource management and scheduling capabilities from the data processing component.
