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  • Book Overview & Buying Learning Hbase
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Learning Hbase

Learning Hbase

By : Shashwat Shriparv
4.1 (8)
Buy this Book
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Learning Hbase

Learning Hbase

4.1 (8)
By: Shashwat Shriparv
Buy this Book

Overview of this book

If you are an administrator or developer who wants to enter the world of Big Data and BigTables and would like to learn about HBase, this is the book for you.
Table of Contents (12 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. Understanding the HBase Ecosystem
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1. Understanding the HBase Ecosystem
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HBase layout on top of Hadoop
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Comparing architectural differences between RDBMs and HBase
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HBase features
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HBase in the Hadoop ecosystem
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Comparing functional differences between RDBMs and HBase
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About the internal storage architecture of HBase
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Getting started with HBase
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Applications of HBase
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HBase pros and cons
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Summary
2
2. Let's Begin with HBase
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2. Let's Begin with HBase
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Understanding HBase components in detail
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Reading and writing cycle
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HBase housekeeping
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The HBase delete request
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List of available HBase distributions
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Prerequisites and capacity planning for HBase
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Summary
3
3. Let's Start Building It
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3. Let's Start Building It
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Downloading Java on Ubuntu
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Considering host configurations
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Installing and configuring SSH
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Installing and configuring NTP
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Performing capacity planning
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Installing and configuring Hadoop
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Hadoop start up steps
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Configuring Apache HBase
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Installing and configuring ZooKeeper
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Installing Cloudera Hadoop and HBase
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Installing the Hadoop and MapReduce packages
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Installing Hadoop on Windows
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Summary
4
4. Optimizing the HBase/Hadoop Cluster
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4. Optimizing the HBase/Hadoop Cluster
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Setup types for Hadoop and HBase clusters
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Recommendations for CDH cluster configuration
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Capacity planning
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Hadoop optimization
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Optimizing HBase
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Optimizing ZooKeeper
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Important files in Hadoop
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Important files in HBase
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Summary
5
5. The Storage, Structure Layout, and Data Model of HBase
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5. The Storage, Structure Layout, and Data Model of HBase
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Data types in HBase
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Storing data in HBase – logical view versus actual physical view
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Services of HBase
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Data model operations
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Versioning and why
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Deciding the number of the version
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Schema designing
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Calculating the data size stored in HBase
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Summary
6
6. HBase Cluster Maintenance and Troubleshooting
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6. HBase Cluster Maintenance and Troubleshooting
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Hadoop shell commands
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HBase shell commands
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HBase administration tools
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Writing HBase shell scripts
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Using the Hadoop tool or JARs for HBase
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Connecting HBase with Hive
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HBase region management
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HBase node management
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Implementing security
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Troubleshooting the most frequent HBase errors and their explanations
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Summary
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7. Scripting in HBase
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7. Scripting in HBase
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HBase backup and restore techniques
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HBase on Windows
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Scripting in HBase
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Contributing to HBase
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Summary
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8. Coding HBase in Java
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8. Coding HBase in Java
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Setting up the environment for development
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Data types
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Data model Java operations
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HBase filters
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Client APIs
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Summary
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9. Advance Coding in Java for HBase
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9. Advance Coding in Java for HBase
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Interfaces, classes, and exceptions
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Code related to administrative tasks
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Data operation code
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MapReduce and HBase
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RESTful services and Thrift services interface
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Coding for HDFS operations
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Some advance topics in brief
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Summary
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10. HBase Use Cases
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10. HBase Use Cases
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HBase in industry today
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The future of HBase against relational databases
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Some real-world project examples' use cases
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Useful links and references
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Summary
11
Index
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Index

Hadoop shell commands

A binary is present inside the bin directory. We can call the following Hadoop command if we need to know all the commands available:

<Hadoop directory path>bin/hadoop

In the version previous to Hadoop v1, we can use the preceding command. However, in the later versions, we have to use the following command:

<Hadoop directory path>bin/hdfs

A binary without any parameter will display the list of available commands. We can check the actual implementation of Hadoop shell and its Java source at https://github.com/shot/hadoop-source-reading/blob/master/src/core/org/apache/hadoop/fs/FsShell.java.

Tip

We can use bin/hadoop or bin/hdfs based on the version of Hadoop we have. In the newer versions of Hadoop, it is advisable to use HDFS instead of Hadoop. Here, we will use bin/hadoop, but you can use any one of the commands, depending on the version you are using.

Types of Hadoop shell commands

Let's take a look at the Hadoop shell commands. However, first we will look...

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Learning Hbase
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