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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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HBase upgrade

In this recipe, we will cover how to upgrade to the latest stable release, which at the time of writing this recipe is version 1.2.5.

In any organization, it is important to keep it patched and updated to the latest release to address any bug fixes and issues.

But upgrading is not always that easy, as it may involve downtime and one version might not support the old metadata structure. An example of this is the old Hfile v1 format.

Getting ready

For this recipe, make sure you have an HBase cluster running and that you understand the regions and its communication.

How to do it...

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

  2. Before performing any upgrades, it is important to verify that we have backup in place and that the cluster is in a consistent state.

  3. Download the latest HBase release, as we did initially and update the symlink to point to the new version, as shown here:

    $ unlink hbase
$ ln –s hbase-1.2.5-bin hbase

  4. Do the same on all the nodes in the...

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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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