YARN offers significant gain over traditional MapReduce programming that comes from older versions of Apache Hadoop. With YARN, you can write any custom applications that can utilize the power of commodity hardware and Apache Hadoop's HDFS filesystem to scale and perform. Let's go through some of the key features of YARN that brings major additions. We have already covered the new features of YARN 3.0, such as the intra-disk balancer in Chapter 1, Hadoop 3.0 - Background and Introduction.
Key features of YARN
Resource models in YARN
YARN supports an extensible resource model. This means that the definition of resources can be extended from its default values (such as CPU and memory) to any types of resources that...