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HBase High Performance Cookbook

You're reading from   HBase High Performance Cookbook Solutions for optimization, scaling and performance tuning

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Product type Paperback
Published in Jan 2017
Publisher Packt
ISBN-13 9781783983063
Length 350 pages
Edition 1st Edition
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Author (1):
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Ruchir Choudhry Ruchir Choudhry
Author Profile Icon Ruchir Choudhry
Ruchir Choudhry
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Toc

Table of Contents (13) Chapters Close

Preface 1. Configuring HBase FREE CHAPTER 2. Loading Data from Various DBs 3. Working with Large Distributed Systems Part I 4. Working with Large Distributed Systems Part II 5. Working with Scalable Structure of tables 6. HBase Clients 7. Large-Scale MapReduce 8. HBase Performance Tuning 9. Performing Advanced Tasks on HBase 10. Optimizing Hbase for Cloud 11. Case Study Index

HBase data model part 1

It is very important to understand the data model of HBase and the core principle on which it stands and provides the foundation to scale. We will go through the following concepts:

  • Logical view
  • Physical view
  • Tables
  • Namespace
  • Rows
  • Columns
  • Column families
  • Column qualifier
  • Cells

Logical view of HBase represents distributed, persistent multinational store map, which represents the data in a column and row, key along a timestamp. It also shows a representation of how data is kept to get maximum scalability and performance.

The following screenshot shows data that is represented in an HBase table:

HBase data model part 1

The logical representation of the preceding table is as follows:

rowkey

Column family

Column qualifier

timestamp

value

row01

cfWeb

web

1409453734860

www.google.com

row02

cfWeb

web

1409453755971

www.yahoo.com

row03

cfWeb

web

1409453771036

www.bing.com

row05

cfWeb

web

1409454028718

www.fries.com

row06

cfWeb

web

1409454088675...

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