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Mastering Hadoop 3

You're reading from   Mastering Hadoop 3 Big data processing at scale to unlock unique business insights

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Product type Paperback
Published in Feb 2019
Publisher Packt
ISBN-13 9781788620444
Length 544 pages
Edition 1st Edition
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Authors (3):
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Timothy Wong Timothy Wong
Author Profile Icon Timothy Wong
Timothy Wong
Manish Kumar Manish Kumar
Author Profile Icon Manish Kumar
Manish Kumar
Chanchal Singh Chanchal Singh
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Chanchal Singh
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Table of Contents (21) Chapters Close

Preface 1. Section 1: Introduction to Hadoop 3 FREE CHAPTER
2. Journey to Hadoop 3 3. Deep Dive into the Hadoop Distributed File System 4. YARN Resource Management in Hadoop 5. Internals of MapReduce 6. Section 2: Hadoop Ecosystem
7. SQL on Hadoop 8. Real-Time Processing Engines 9. Widely Used Hadoop Ecosystem Components 10. Section 3: Hadoop in the Real World
11. Designing Applications in Hadoop 12. Real-Time Stream Processing in Hadoop 13. Machine Learning in Hadoop 14. Hadoop in the Cloud 15. Hadoop Cluster Profiling 16. Section 4: Securing Hadoop
17. Who Can Do What in Hadoop 18. Network and Data Security 19. Monitoring Hadoop 20. Other Books You May Enjoy

High availability (HA)

High availability (HA) is a primary focus for all the framework or application available today. The application can be deployed either on-premise or over the cloud. There are many cloud service providers available today, such as Amazon AWS, Microsoft Azure, Google Cloud Platform, IBM Cloud, and so on. Achieving high availability using on-premise deployment has limited capability, for example even if we have multi node clusters available on-premise that have both HDFS storage and a processing engine up and running, it does not guarantee the required high level of availability in case any disaster happens. It requires also strict monitoring of the on-premise cluster in order to avoid any major loss and guaranteeing high availability. 

In other words, cloud services provide more robust and reliable high availability features and there are multiple...

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