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Apache Hadoop 3 Quick Start Guide

You're reading from Apache Hadoop 3 Quick Start Guide

Product type Book

Published in Oct 2018

Publisher Packt

ISBN-13 9781788999830

Pages 220 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Hrishikesh Vijay Karambelkar

Table of Contents (10) Chapters

Preface

Hadoop 3.0 - Background and Introduction

Planning and Setting Up Hadoop Clusters

Deep Dive into the Hadoop Distributed File System

Developing MapReduce Applications

Building Rich YARN Applications

Monitoring and Administration of a Hadoop Cluster

Demystifying Hadoop Ecosystem Components

Advanced Topics in Apache Hadoop

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High availability of Hadoop

We have seen the architecture of Apache Hadoop in a Chapter 1, Hadoop 3.0 - Background and Introduction. In this section, we will go through the High Availability (HA) feature of Apache Hadoop, given the fact that HDFS supports high availability through its replication factor. However, in earlier Apache Hadoop 1.X, NameNode was the single point of failure due to it being a central gateway for accessing data blocks. Similarly, Resource Manager is responsible for managing resources for MapReduce and YARN applications. We will study both of these points with respect to high availability.

High availability for NameNode

We have understood the challenges faced with Hadoop 1.x, so now let's understand...

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Authors (1)

Hrishikesh Vijay Karambelkar

Hrishikesh Vijay Karambelkar is an innovator and an enterprise architect with 16 years of software design and development experience, specifically in the areas of big data, enterprise search, data analytics, text mining, and databases. He is passionate about architecting new software implementations for the next generation of software solutions for various industries, including oil and gas, chemicals, manufacturing, utilities, healthcare, and government infrastructure. In the past, he has authored three books for Packt Publishing: two editions of Scaling Big Data with Hadoop and Solr and one of Scaling Apache Solr. He has also worked with graph databases, and some of his work has been published at international conferences such as VLDB and ICDE.

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