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Apache Hadoop™ YARN: Moving beyond MapReduce and Batch Processing with Apache Hadoop™ 2 by Jeff Markham, Joseph Niemiec, Vinod Kumar Vavilapalli, Arun C. Murthy, Doug Eadline

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6. Apache Hadoop YARN Administration

Administering a YARN cluster involves many things. Those familiar with Hadoop 1 may know that there are many configuration properties and that their values are listed in the Hadoop documentation. Instead of repeating that information here and coming up with different explanations of each property, what we’ll do here is to give practical examples of how you can use open-source tools to manage and understand a complex environment like a YARN cluster.

To effectively administer YARN, we will use the bash scripts and init system scripts developed in Chapter 5, “Installing Apache Hadoop YARN.” Also, YARN and Hadoop in general comprise a distributed data platform written in Java. Naturally, this means that there ...

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