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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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Configuring Hadoop users

In this recipe, we will configure users to run Hadoop services so as to have better control of access by daemons.

In all the recipes so far, we have configured all services/daemons, whether it's HDFS, YARN, or Hive to run with user hadoop. This is not the right practice for production clusters as it would be difficult to control services in a fine and granular manner.

It is recommended to segregate services to run with different users, for example, HDFS daemons as hdfs:hadoop, YARN daemons as yarn:hadoop, and other services such as Hive or HBase with their own respective users.

Getting ready

To step through the recipe in this section, we need a Hadoop cluster already configured and it is assumed that users are aware about Hadoop installation and configuration. Refer to Chapter 1, Hadoop Architecture and Deployment for the installation and configuration of a Hadoop cluster. In this recipe, we are just separating daemons to run with different users, rather than them all...

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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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