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Learning Hbase

You're reading from   Learning Hbase Learn the fundamentals of HBase administration and development with the help of real-time scenarios

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Product type Paperback
Published in Nov 2014
Publisher
ISBN-13 9781783985944
Length 326 pages
Edition 1st Edition
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Author (1):
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Shashwat Shriparv Shashwat Shriparv
Author Profile Icon Shashwat Shriparv
Shashwat Shriparv
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Toc

Table of Contents (12) Chapters Close

Preface 1. Understanding the HBase Ecosystem FREE CHAPTER 2. Let's Begin with HBase 3. Let's Start Building It 4. Optimizing the HBase/Hadoop Cluster 5. The Storage, Structure Layout, and Data Model of HBase 6. HBase Cluster Maintenance and Troubleshooting 7. Scripting in HBase 8. Coding HBase in Java 9. Advance Coding in Java for HBase 10. HBase Use Cases 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...

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