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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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Using MySQL for Hive metastore

The preceding configuration is the embedded mode configuration, which is not production ready and should not be used.

Now, we will enable the metastore to connect to an external MySQL database and scale to multiple connections. This will be the local metastore mode.

The assumption here is that the readers know the basics of MySQL user management and can assign grants.

How to do it…

  1. Clean up the old databases by either dropping from Hive or simply cleaning the warehouse location. Note: this should never be done in production. This is shown in the following screenshot:

  2. Now, firstly, we need to install the MySQL server on any node in the cluster or outside the Hadoop cluster. In our case, we will install it on the master node master1.cyrus.com:

    # yum install mysql-server –y
# /etc/init.d/mysqld start
# chkconfigmysql on

  3. Make sure that the firewall on the master node allows the connection to port 3306 from the Edge node in the cluster. It is better to allow it to connect...

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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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