Administration of YARN

Now, we will take a look at some YARN basic administration configurations, basically from Hadoop 2.0. YARN was introduced and made changes in Hadoop configuration files. Hadoop and YARN have the following basic configuration files:

  • core-default.xml: This file contains properties related to the system.
  • hdfs-default.xml: This file contains HDFS-related configurations.
  • mapred-default.xml: This configuration file contains properties related to the YARN MapReduce framework.
  • yarn-default.xml: This file contains YARN-related properties.

You will find all these properties listed on the Apache website (http://hadoop.apache.org/docs/current/) in the configuration section, with detailed information on each property and its default and possible ...

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