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  • Book Overview & Buying Learning Hadoop 2
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Learning Hadoop 2

Learning Hadoop 2

By : GABRIELE MODENA
3.8 (4)
Buy this Book
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Learning Hadoop 2

Learning Hadoop 2

3.8 (4)
By: GABRIELE MODENA
Buy this Book

Overview of this book

If you are a system or application developer interested in learning how to solve practical problems using the Hadoop framework, then this book is ideal for you. You are expected to be familiar with the Unix/Linux command-line interface and have some experience with the Java programming language. Familiarity with Hadoop would be a plus.
Table of Contents (13 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Introduction
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1. Introduction
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A note on versioning
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The background of Hadoop
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Components of Hadoop
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Hadoop 2 – what's the big deal?
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Distributions of Apache Hadoop
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A dual approach
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AWS – infrastructure on demand from Amazon
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Getting started
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Running the examples
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Data processing with Hadoop
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Summary
2
2. Storage
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2. Storage
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The inner workings of HDFS
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Command-line access to the HDFS filesystem
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Protecting the filesystem metadata
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Apache ZooKeeper – a different type of filesystem
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Automatic NameNode failover
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HDFS snapshots
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Hadoop filesystems
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Managing and serializing data
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Storing data
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Summary
3
3. Processing – MapReduce and Beyond
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3. Processing – MapReduce and Beyond
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MapReduce
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Java API to MapReduce
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Writing MapReduce programs
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Walking through a run of a MapReduce job
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YARN
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YARN in the real world – Computation beyond MapReduce
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Summary
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4. Real-time Computation with Samza
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4. Real-time Computation with Samza
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Stream processing with Samza
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Summary
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5. Iterative Computation with Spark
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5. Iterative Computation with Spark
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Apache Spark
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The Spark ecosystem
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Processing data with Apache Spark
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Comparing Samza and Spark Streaming
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Summary
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6. Data Analysis with Apache Pig
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6. Data Analysis with Apache Pig
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An overview of Pig
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Getting started
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Running Pig
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Fundamentals of Apache Pig
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Programming Pig
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Extending Pig (UDFs)
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Analyzing the Twitter stream
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Summary
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7. Hadoop and SQL
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7. Hadoop and SQL
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Why SQL on Hadoop
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Prerequisites
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Hive architecture
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Hive and Amazon Web Services
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Extending HiveQL
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Programmatic interfaces
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Stinger initiative
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Impala
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Summary
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8. Data Lifecycle Management
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8. Data Lifecycle Management
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What data lifecycle management is
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Building a tweet analysis capability
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Challenges of external data
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Collecting additional data
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Pulling it all together
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Summary
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9. Making Development Easier
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9. Making Development Easier
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Choosing a framework
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Hadoop streaming
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Kite Data
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Apache Crunch
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Summary
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10. Running a Hadoop Cluster
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10. Running a Hadoop Cluster
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I'm a developer – I don't care about operations!
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Cloudera Manager
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Ambari – the open source alternative
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Operations in the Hadoop 2 world
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Sharing resources
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Building a physical cluster
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Building a cluster on EMR
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Cluster tuning
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Security
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Monitoring
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Troubleshooting
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Summary
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11. Where to Go Next
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11. Where to Go Next
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Alternative distributions
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Other computational frameworks
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Other interesting projects
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Other programming abstractions
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AWS resources
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Sources of information
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Summary
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Index
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Index

Summary

This has been quite a whistle-stop tour around the considerations of running an operational Hadoop cluster. We didn't try to turn developers into administrators, but hopefully, the broader perspective will help you to help your operations staff. In particular, we covered the following topics:

  • How Hadoop is a natural fit for DevOps approaches as its multilayered complexity means it's not possible or desirable to have substantial knowledge gaps between development and operations staff

  • Cloudera Manager, and how it can be a great management and monitoring tool; it might cause integration problems though, if you have other enterprise tools, and it comes with a vendor lock-in risk

  • Ambari, the Apache open source alternative to Cloudera Manager, and how it is used in the Hortonworks distribution

  • How to think about selecting hardware for a physical Hadoop cluster, and how this naturally fits into the considerations of how the multiple workloads possible in the world of Hadoop 2 can peacefully...

CONTINUE READING
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Tech Concepts
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Programming languages
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Learning Hadoop 2
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