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Cloudera Administration Handbook

You're reading from   Cloudera Administration Handbook A complete, hands-on guide to building and maintaining large Apache Hadoop clusters using Cloudera Manager and CDH5

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Product type Paperback
Published in Jul 2014
Publisher Packt
ISBN-13 9781783558964
Length 254 pages
Edition 1st Edition
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Author (1):
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Rohit Menon Rohit Menon
Author Profile Icon Rohit Menon
Rohit Menon
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Table of Contents (11) Chapters Close

Preface 1. Getting Started with Apache Hadoop 2. HDFS and MapReduce FREE CHAPTER 3. Cloudera's Distribution Including Apache Hadoop 4. Exploring HDFS Federation and Its High Availability 5. Using Cloudera Manager 6. Implementing Security Using Kerberos 7. Managing an Apache Hadoop Cluster 8. Cluster Monitoring Using Events and Alerts 9. Configuring Backups Index

Understanding the Cloudera Manager architecture

Before we go into installing and using Cloudera Manager, you need to understand the architecture of Cloudera Manager and how it functions. Cloudera Manager is composed of the following two parts:

  • Cloudera Manager Server
  • Cloudera Manager Agent

The following diagram depicts the Cloudera Manager architecture:

Understanding the Cloudera Manager architecture

The Cloudera Manager Server is the master service that manages the data model of the entire cluster in a database. The data model contains information regarding the services, roles, and configurations assigned for each node in the cluster.

The Cloudera Manager Server is responsible for performing the following functions:

  • It communicates with Cloudera Manager Agents that are installed on each node of the cluster and assigns tasks as well as checking the health of each agent by monitoring its periodic heartbeats.
  • It provides an administrator web interface for the end user to perform administrator operations.
  • It calculates and displays dashboards of...
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