Professional Hadoop
Professional Hadoop

Authors: Benoy Antony, Konstantin Boudnik, Cheryl Adams, Branky Shao, Cazen Lee and Kai Sasaki
Publisher: Wrox
Date: May 2016
Pages: 216
ISBN: 978-1119267171
Print: 111926717X
Kindle: B01F69Z1PS
Audience: Professional database developers
Reviewer: Kay Ewbank

This book is a good introduction to the Hadoop infrastructure if you're trying to work out how everything fits together.

This is a relatively slim volume. What is covered is well explained, but given the complexity of the Hadoop infrastructure, there isn't the space to go more deeply into the individual topics.

The book starts with an introduction to the Hadoop components, and to what HDFS, MapReduce, YARN, ZooKeeper and Hive all do. It also looks at data integration and Hadoop, all at an overview level.

Storage and HDFS in particular is covered in rather more detail in the next chapter. You're shown how to set up HDFS clusters, what the file formats are, and what the command line interface can be used for. More advanced features of HDFS such as snapshots and tiered storage are also introduced, along with some features currently under development such as Erasure Coding (currently in the alpha 2 release of Hadoop 3).



Computation in the form of MapReduce is the topic of the next chapter. Once the architecture of MapReduce has been introduced, you're shown how to set up a MapReduce job, and the difference between Spark and MapReduce jobs are explained.

A chapter on user experiences is next, looking at how Hive, Pig, Hue and Oozie can be used by people who aren't MapReduce experts. The chapter goes into a reasonable amount of detail on each topic.

Integration with other systems gets a chapter of its own, with explanations of the role of Sqoop,Flume, Kafka, Storm, Trident, and stream processing.

A chapter on Hadoop security then shows how you can secure Hadoop Cluster, the data in the cluster, and applications running in the cluster. This is obviously only an overview, but useful all the same, giving details from perimeter security inwards, and looking at the advantages and drawbacks of Kerberos, SASL, service level authorization, and ways of restricting access.

The Ecosystem at large is the topic of the next chapter, looking at Hadoop with Apache Bigtop. Bigtop is a project for the development of packaging of the Hadoop ecosystem, so you can package a Hadoop stack and deploy it on a variety of data platforms. The chapter describes what Bigtop is, the specifics of different open source data processing stacks, how to create your own stack including Hadoop, and how to deploy and manage a configuration. 

The final chapter looks at in-memory computing in the Hadoop stack. It looks at the performance improvement you can get if you use MapReduce with Apache Ignite, the use of HDFS caching, and advanced use of Ignite for state sharing.

I started off thinking this book was too short to be able to be really useful. However, having read it in more detail, I think it does a very good job. The Hadoop and Apache alphabet soup is a confusing mix to get to grips with, and this book does a good job of making sense of it and giving enough detail to be useful.

Hadoop is one of the topics covered in Reading Your Way Into Big Data, an article on Programmer's Bookshelf in which Ian Stirk provides a roadmap of the reading required to take you from novice to competent in areas relating to data science.

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MySQL Cookbook, 3rd Ed

Author: Paul DuBois
Publisher: O'Reilly
Pages: 836 
ISBN: 9781449374020
Kindle: B00M7EN798
Aimed at: MySQL developers
Rating: 5
Reviewed by: Kay Ewbank 

Is MySQL Cookbook the best book on MySQL? This latest edition certainly keeps up its reputation as the go-to reference.

Beginning Android Programming with Android Studio, 4th Ed

Author: J. F. DiMarzio
Publisher: Wrox Press
ISBN: 978-1118705599
Kindle: B01M3MSBV6
Audience: Beginning Android developers
Rating: 3
Reviewer: Lucy Black

Android Programming can be easier using Android Studio, but you have to find out how to use it first.&n [ ... ]

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