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You're reading from  Apache Mahout Essentials

Product typeBook
Published inJun 2015
Reading LevelIntermediate
Publisher
ISBN-139781783554997
Edition1st Edition
Languages
Java
Tools
Mahout
Concepts
Machine Learning
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Author (1)
Jayani Withanawasam
Jayani Withanawasam
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Jayani Withanawasam

Jayani Withanawasam is R&D engineer and a senior software engineer at Zaizi Asia, where she focuses on applying machine learning techniques to provide smart content management solutions. She is currently pursuing an MSc degree in artificial intelligence at the University of Moratuwa, Sri Lanka, and has completed her BE in software engineering (with first class honors) from the University of Westminster, UK. She has more than 6 years of industry experience, and she has worked in areas such as machine learning, natural language processing, and semantic web technologies during her tenure. She is passionate about working with semantic technologies and big data.
Read more about Jayani Withanawasam

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Setting up Hadoop

If you want to run Apache Mahout in local mode (without Hadoop), then you need to set some value for the MAHOUT_LOCAL environment variable, as follows:

Set MAHOUT_LOCAL=true

Also, if HADOOP_HOME is not set, then Apache Mahout runs locally.

So, if you want to run Apache Mahout with Hadoop, then there are three possible options available:

  • Local mode

  • The pseudo-distributed mode

  • The fully-distributed mode

You can select the Hadoop mode that best suits you, depending on the requirement at hand.

Setting up Mahout in local mode

Local mode is the simplest of all modes in Hadoop with the least number of configuration changes.

Hadoop is running as a single JVM instance in this mode. Hadoop daemons, such as resource manager, name node, node manager, data nodes, and secondary node are not running. Also, there is no HDFS-related file processing with this mode.

Prerequisites

The Hadoop framework is an open source software implementation in Java.

Java installation

Hadoop requires Java 7 or a later...

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Apache Mahout Essentials
Published in: Jun 2015Publisher: ISBN-13: 9781783554997
© 2015 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Jayani Withanawasam

Jayani Withanawasam is R&D engineer and a senior software engineer at Zaizi Asia, where she focuses on applying machine learning techniques to provide smart content management solutions. She is currently pursuing an MSc degree in artificial intelligence at the University of Moratuwa, Sri Lanka, and has completed her BE in software engineering (with first class honors) from the University of Westminster, UK. She has more than 6 years of industry experience, and she has worked in areas such as machine learning, natural language processing, and semantic web technologies during her tenure. She is passionate about working with semantic technologies and big data.
Read more about Jayani Withanawasam

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