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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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Tuning the disk

In this recipe, we will tune the disk drives to give the optimal performance. For I/O bound workloads like sorting, indexing, data movement disks, and network play an important role and need to be addressed in the right manner.

The workload conditions on a Datanode will be different from that of a Namenode or that of a database running a MySQL metastore. The changes mentioned in the following recipe are valid for all nodes, unless explicitly mentioned otherwise.

Getting ready

To step through the recipe in this section, we need at least one node to test and to make the configuration first, and the same can be applied to nodes within the same categories of master nodes or Datanodes. It is recommended to read Chapter 10, Cluster Planning, to get an idea about the cluster layout.

How to do it...

  1. Connect to a node which at a later stage will be used to install Hadoop. We are using the node, master1.cyrus.com.

  2. Switch to root user or have sudo privileges.

  3. Make sure that you have different...

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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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