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Apache Hive Cookbook

You're reading from Apache Hive Cookbook

Product type Paperback

Published in Apr 2016

Publisher Packt

ISBN-13 9781782161080

Length 268 pages

Edition 1st Edition

Languages

Java

Tools

Hadoop

Concepts

Data Processing

Table of Contents (14) Chapters

Preface

1. Developing Hive FREE CHAPTER

2. Services in Hive

3. Understanding the Hive Data Model

4. Hive Data Definition Language

5. Hive Data Manipulation Language

6. Hive Extensibility Features

7. Joins and Join Optimization

8. Statistics in Hive

9. Functions in Hive

10. Hive Tuning

11. Hive Security

12. Hive Integration with Other Frameworks

Index

Configuring HiveServer2 high availability

HiveServer2 for a cluster of thousands of nodes could be a single point of failure if HiveServer2 is not configured with a high availability concept. If HiveServer2 service goes down, none of the clients would be able to access metastore or submit Hive queries to cluster. To solve this limitation, high availability of HiveServer2 is configured. It needs a ZooKeeper quorum running on a set of nodes.

ZooKeeper is an open source centralized service for providing coordination between distributed applications. It is also used to store some common configuration and metadata to provide distributed synchronization. Hive uses ZooKeeper to store configuration information to provide high availability of HiveServer2.

Getting ready

For configuring high availability of HiveServer2, you will need a ZooKeeper quorum running.

Tip

The installation of ZooKeeper is not in the scope of this book. You can refer to the following links for the installation of ZooKeeper.

Refer...

The rest of the chapter is locked

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