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Table Of Contents

Learning Hbase

By : Shriparv

4.1 (8)

Learning Hbase

4.1 (8)

By: Shriparv

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.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Understanding the HBase Ecosystem

1. Understanding the HBase Ecosystem

HBase layout on top of Hadoop

Comparing architectural differences between RDBMs and HBase

HBase features

HBase in the Hadoop ecosystem

Comparing functional differences between RDBMs and HBase

About the internal storage architecture of HBase

Getting started with HBase

Applications of HBase

HBase pros and cons

Summary

2. Let's Begin with HBase

2. Let's Begin with HBase

Understanding HBase components in detail

Reading and writing cycle

HBase housekeeping

The HBase delete request

List of available HBase distributions

Prerequisites and capacity planning for HBase

Summary

3. Let's Start Building It

3. Let's Start Building It

Downloading Java on Ubuntu

Considering host configurations

Installing and configuring SSH

Installing and configuring NTP

Performing capacity planning

Installing and configuring Hadoop

Hadoop start up steps

Configuring Apache HBase

Installing and configuring ZooKeeper

Installing Cloudera Hadoop and HBase

Installing the Hadoop and MapReduce packages

Installing Hadoop on Windows

Summary

4. Optimizing the HBase/Hadoop Cluster

4. Optimizing the HBase/Hadoop Cluster

Setup types for Hadoop and HBase clusters

Recommendations for CDH cluster configuration

Capacity planning

Hadoop optimization

Optimizing HBase

Optimizing ZooKeeper

Important files in Hadoop

Important files in HBase

Summary

5. The Storage, Structure Layout, and Data Model of HBase

5. The Storage, Structure Layout, and Data Model of HBase

Data types in HBase

Storing data in HBase – logical view versus actual physical view

Services of HBase

Data model operations

Versioning and why

Deciding the number of the version

Schema designing

Calculating the data size stored in HBase

Summary

6. HBase Cluster Maintenance and Troubleshooting

6. HBase Cluster Maintenance and Troubleshooting

Hadoop shell commands

HBase shell commands

HBase administration tools

Writing HBase shell scripts

Using the Hadoop tool or JARs for HBase

Connecting HBase with Hive

HBase region management

HBase node management

Implementing security

Troubleshooting the most frequent HBase errors and their explanations

Summary

7. Scripting in HBase

7. Scripting in HBase

HBase backup and restore techniques

HBase on Windows

Scripting in HBase

Contributing to HBase

Summary

8. Coding HBase in Java

8. Coding HBase in Java

Setting up the environment for development

Data types

Data model Java operations

HBase filters

Client APIs

Summary

9. Advance Coding in Java for HBase

9. Advance Coding in Java for HBase

Interfaces, classes, and exceptions

Code related to administrative tasks

Data operation code

MapReduce and HBase

RESTful services and Thrift services interface

Coding for HDFS operations

Some advance topics in brief

Summary

10. HBase Use Cases

10. HBase Use Cases

HBase in industry today

The future of HBase against relational databases

Some real-world project examples' use cases

Useful links and references

Summary

Index

Index

Downloading Java on Ubuntu

The following are the links from where we can download the required files:

Java:http://www.oracle.com/technetwork/java/javase/downloads/index.html
Apache Hadoop: http://www.apache.org/dyn/closer.cgi/hadoop/common/
Apache HBase: http://apache.mirrors.hoobly.com/hbase/
Cloudera: The following are the different versions you can opt for:
- CDH4: http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/latest/CDH-Version-and-Packaging-Information/cdhvd_topic_7.html
- CDH5: http://www.cloudera.com/content/support/en/documentation.html

First, we need to know whether our installed OS is 64 bit or 32 bit; we can check this using the uname –a command.

If you use a 32-bit OS, the output will be as follows:

Linux infinity 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 i686 i686 i386 GNU/Linux
I686 denotes 32 bit

If you use a 64-bit OS, the output will be as follows:

Linux infinity 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64x86_64x86_64...

CONTINUE READING

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Tech Concepts

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Programming languages

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