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  • Book Overview & Buying Cloudera Administration Handbook
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Cloudera Administration Handbook

Cloudera Administration Handbook

By : Menon
3.5 (10)
Buy this Book
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Cloudera Administration Handbook

Cloudera Administration Handbook

3.5 (10)
By: Menon
Buy this Book

Overview of this book

An easy-to-follow Apache Hadoop administrator’s guide filled with practical screenshots and explanations for each step and configuration. This book is great for administrators interested in setting up and managing a large Hadoop cluster. If you are an administrator, or want to be an administrator, and you are ready to build and maintain a production-level cluster running CDH5, then this book is for you.
Table of Contents (11 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. Getting Started with Apache Hadoop
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1. Getting Started with Apache Hadoop
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History of Apache Hadoop and its trends
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Components of Apache Hadoop
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Understanding the Apache Hadoop daemons
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Introducing Cloudera
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Introducing CDH
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Responsibilities of a Hadoop administrator
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Summary
2
2. HDFS and MapReduce
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2. HDFS and MapReduce
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Essentials of HDFS
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The read/write operational flow in HDFS
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Understanding the namenode UI
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Understanding the secondary namenode UI
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Exploring HDFS commands
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Getting acquainted with MapReduce
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Summary
3
3. Cloudera's Distribution Including Apache Hadoop
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3. Cloudera's Distribution Including Apache Hadoop
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Getting started with CDH
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Understanding the CDH components
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Installing CDH
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Installing the CDH components
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Summary
4
4. Exploring HDFS Federation and Its High Availability
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4. Exploring HDFS Federation and Its High Availability
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Implementing HDFS Federation
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Implementing HDFS High Availability
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Jobtracker high availability
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Summary
5
5. Using Cloudera Manager
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5. Using Cloudera Manager
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Introducing Cloudera Manager
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Understanding the Cloudera Manager architecture
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Installing Cloudera Manager
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Navigating the Cloudera Manager Web console
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Configuring High Availability using Cloudera Manager
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Summary
6
6. Implementing Security Using Kerberos
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6. Implementing Security Using Kerberos
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Understanding authentication and authorization
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Introducing Kerberos
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Understanding the Kerberos Architecture
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Installing Kerberos
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Configuring Kerberos for Apache Hadoop
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Authorization in Apache Hadoop
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Summary
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7. Managing an Apache Hadoop Cluster
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7. Managing an Apache Hadoop Cluster
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Configuring Hadoop services using Cloudera Manager
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Role management in Cloudera Manager
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Managing hosts using Cloudera Manager
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Managing multiple clusters with Cloudera Manager
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Rebalancing a Hadoop cluster from Cloudera Manager
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Summary
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8. Cluster Monitoring Using Events and Alerts
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8. Cluster Monitoring Using Events and Alerts
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Monitoring Hadoop services from Cloudera Manager
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Understanding events and alerts
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Summary
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9. Configuring Backups
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9. Configuring Backups
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Understanding backups
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Understanding HDFS backups
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Using the distributed copy (DistCp)
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Configuring backups using Cloudera Manager
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Summary
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Index
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Index

Configuring Hadoop services using Cloudera Manager

Cloudera Manager is a very intuitive tool that provides a user-friendly interface to add, remove, and configure services in a cluster. In this section, we will cover the addition and removal of services in a cluster.

Adding a service to the cluster

The following are the steps to add a service to the cluster:

  1. Log in to Cloudera Manager. The Home screen lists all the services that are currently installed on the cluster as shown in the following screenshot:

  2. In the preceding screenshot, there are only two services in Cluster 1. Let's now add the Hive service to this cluster. To add Hive, click on the drop-down button for Cluster 1 and select the Add a Service option as shown in the following screenshot:

    In the next screen, a list of service types along with their description is displayed, as shown in the following screenshot:

  3. To add the Hive service (the data warehouse system for Hadoop), select Hive from the list and click on Continue.

  4. Next, select...

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