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You're reading from  Hadoop 2.x Administration Cookbook

Product typeBook
Published inMay 2017
PublisherPackt
ISBN-139781787126732
Edition1st Edition
Tools
Hadoop
Concepts
System Administration
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Author (1)
Aman Singh
Aman Singh
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Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

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Preserving ResourceManager states

It is important to preserve the state of ResourceManager during the restart of RM, so as to keep the application running with minimal interruptions. The concept is that the RM preserves the application state in a store and reloads it on restart. ApplicationMasters (AM) and NodeManagers continuously poll RM for status and re-register with it when available, thus resuming the containers from saved state.

Getting ready

For this recipe, you will again need a running cluster and have completed the previous recipes to make sure the cluster is working fine in terms of HDFS and YARN.

How to do it...

  1. Connect to the master1.cyrus.com master node and switch to user hadoop.

  2. Navigate to the directory /opt/cluster/hadoop/etc/hadoop.

  3. Edit the yarn-site.xml configuration file to make the necessary changes as shown in the following steps.

  4. Enable RM recovery by making changes as shown in the following screenshot:

  5. Specify the state-store to be used for this, as shown in the following...

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Hadoop 2.x Administration Cookbook
Published in: May 2017Publisher: PacktISBN-13: 9781787126732
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

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