Cloud & Networking
Reader small image

You're reading from  Hadoop 2.x Administration Cookbook

Product typeBook
Published inMay 2017
PublisherPackt
ISBN-139781787126732
Edition1st Edition
Tools
Hadoop
Concepts
System Administration
Right arrow
Author (1)
Aman Singh
Aman Singh
author image
Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

Right arrow

Nodes needed in the cluster

In this recipe, we will look at the number of nodes needed in the cluster based upon the storage requirements.

From the initial Disk space calculations recipe, we estimated that we need about 2 PB of storage for our cluster. In this recipe, we will estimate the number of nodes required for running a stable Hadoop cluster.

Getting ready

To step through the recipe, the user needs to have understood the Hadoop cluster daemons and their roles. It is recommended to have a cluster running with healthy HDFS and at least two Datanodes.

How to do it...

  1. Connect to the master1.cyrus.com master node in the cluster and switch to the user hadoop.

  2. Execute the command as shown here to see the Datanodes available and the disk space on each node:

    $ hdfs dfsadmin -report

  3. From the preceding command, we can tell the storage available per node, but we cannot tell the number of disks that make up that storage. Refer to the following screenshot for details:

  4. Login to a Datanode dn6.cyrus.com and...

lock icon
The rest of the page is locked
Previous Page
Chapter 17 of 20, Page 4
Next Page
You have been reading a chapter from
Hadoop 2.x Administration Cookbook
Published in: May 2017Publisher: PacktISBN-13: 9781787126732
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Aman Singh

Gurmukh Singh is a seasoned technology professional with 14+ years of industry experience in infrastructure design, distributed systems, performance optimization, and networks. He has worked in big data domain for the last 5 years and provides consultancy and training on various technologies. He has worked with companies such as HP, JP Morgan, and Yahoo. He has authored Monitoring Hadoop by Packt Publishing
Read more about Aman Singh

Other recommended products

Related to this chapter

Apache Hadoop 3 Quick Start Guide

Apache Hadoop 3 Quick Start Guide

Apache Hadoop is a widely used distributed data platform. It enables large datasets to be efficiently processed instead of using one large computer to store and process the data. This book will get you started with the Hadoop ecosystem, and introduce you to the main technical topics such as MapReduce, YARN and HDFS.

BookOct 2018220 pages
HBase High Performance Cookbook

HBase High Performance Cookbook

BookJan 2017350 pages
Mastering Hadoop 3

Mastering Hadoop 3

This is a comprehensive guide to understand advanced concepts of Hadoop ecosystem. You will learn how Hadoop works internally, and build solutions to some of real world use cases. Finally, you will have a solid understanding of how components in the Hadoop ecosystem are effectively integrated to implement a fast and reliable Big Data pipeline

BookFeb 2019544 pages
Apache Hive Essentials

Apache Hive Essentials

Apache Hive helps you deal with data summarization, queries, and analysis for huge amounts of data. This book will give you a background in big data, and familiarize you with your Hive working environment. Next you will cover advanced topics like performance and security in Hive and how to work efficiently to find solutions to big data problems.

BookJun 2018210 pages
Modern Big Data Processing with Hadoop

Modern Big Data Processing with Hadoop

This book presents unique techniques to conquer different Big Data processing and analytics challenges using Hadoop. Practical examples are provided to boost your understanding of Big Data concepts and their implementation. By the end of the book, you will have all the knowledge and skills you need to become a true Big Data expert.

BookMar 2018394 pages
Mastering Apache Storm

Mastering Apache Storm

With real-world examples and clear explanations, this book will ensure you will have a thorough mastery Apache Storm.You’ll get an understanding of deploying Storm on clusters. Introduce yourself to topics such as trident topology, monitoring, Storm Parallelism, scheduler and log processing. Learn how to integrate Storm with other well-known Big Data technologies such as HBase, Redis, Kafka, and Hadoop to realize the full potential of Storm.You will be able to use the knowledge to develop efficient, distributed real-time applications to cater to your business needs.

BookAug 2017284 pages
Data Lake for Enterprises

Data Lake for Enterprises

The term 'Data Lake' has recently emerged as a prominent term in the big data industry. Data scientists can make use of it in deriving meaningful insights which can be used by businesses to redefine or transform the way they operate. Lambda architecture is also emerging as one of the very eminent patterns in the big data landscape, as it helps to derive useful information from not only the historical data but also correlates real-time data to enable business for taking critical decisions. This book tries to bring these two important aspects into one, namely data lake and lambda architecture.

BookMay 2017596 pages

Personalised recommendations for you

Based on your interests and search pattern

Designing and Implementing Microsoft Azure Networking Solutions

Designing and Implementing Microsoft Azure Networking Solutions

Designing and Implementing Microsoft Azure Networking Solutions Exam Ref AZ-700 is an all-encompassing guide to the AZ-700 exam and contains all the information you need to succeed in the world of virtual networking with Azure. With this book, you will be fully prepared for the exam and the world of cloud networking.

BookAug 2023524 pages
Microsoft 365 Security, Compliance, and Identity Administration

Microsoft 365 Security, Compliance, and Identity Administration

The Microsoft 365 Security, Compliance, and Identity Administration is a comprehensive guide that helps you employ Microsoft 365's robust suite of features and empowers you to optimize your administrative tasks.

BookAug 2023630 pages
Zero Trust Overview and Playbook Introduction

Zero Trust Overview and Playbook Introduction

Get started on Zero Trust with this step-by-step playbook and learn everything you need to know for a successful Zero Trust journey with tailored guidance for every role, covering strategy, operations, architecture, implementation, and measuring success. This book will become an indispensable reference for everyone in your organization.

BookOct 2023240 pages
The Self-Taught Cloud Computing Engineer

The Self-Taught Cloud Computing Engineer

This self-study book helps you master multiple clouds, including AWS, Azure, and GCP, and serves as a roadmap to becoming a certified cloud computing expert. The book will guide you to develop a professional cloud career by helping you build a broad cloud knowledge base, developing hands-on cloud computing skills, and getting cloud certified.

BookSep 2023472 pages
Technology Operating Models for Cloud and Edge

Technology Operating Models for Cloud and Edge

This book will help you build and create ownership of a technology operating model, as well as connect your leadership with engineering and operations, keeping your internal and external customers in mind. It provides practical tips on why, where, and how to make the cloud and edge platform paradigm sing for you, your team, and your organization.

BookAug 2023228 pages
Azure Architecture Explained

Azure Architecture Explained

Azure is the preferred platform to build mission-critical and secure apps. This book provides comprehensive coverage of essential Azure products, services, and solutions vital for every solution architect's success. Elevate your knowledge and master the critical components of Azure to excel in your role with Azure Architecture Explained.

BookSep 2023446 pages
Pentesting Active Directory and Windows-based Infrastructure

Pentesting Active Directory and Windows-based Infrastructure

This practical guide helps you explore the pentesting of Microsoft infrastructure in detail, and enhances your offensive skillset by showing you the different ways to perform security assessment. This book will help blue teamers and IT engineers get up to speed with possible security issues they may encounter in their Windows environments.

BookNov 2023360 pages
Practical Ansible

Practical Ansible

In Practical Ansible, you'll work with the latest release of Ansible and learn to solve complex issues quickly with the help of task-oriented scenarios. You'll start by installing and configuring Ansible to automate monotonous and repetitive IT tasks and get to grips with concepts such as playbooks, inventories, plugins, collections, and network modules.

BookSep 2023420 pages
Windows 11 for Enterprise Administrators

Windows 11 for Enterprise Administrators

Microsoft’s launch of Windows 11 is a step toward satisfying the enterprise administrator’s needs for better management and enhanced user experience customization. This book provides the enterprise administrator with the knowledge needed to fully utilize the advanced feature set of Windows 11 Enterprise.

BookOct 2023286 pages
The Linux DevOps Handbook

The Linux DevOps Handbook

This book is for software and IT professionals seeking knowledge on Linux systems and DevOps practices. This book will provide you with guidance and tools to learn and gain proficiency in managing Linux-based infrastructures and knowledge of DevOps.

BookNov 2023428 pages2