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Apache Hive Essentials

You're reading from Apache Hive Essentials

Product type Book

Published in Feb 2015

Publisher Packt

ISBN-13 9781783558575

Pages 208 pages

Edition 1st Edition

Languages

Concepts

Data Processing

Author (1):

Dayong Du

Table of Contents (17) Chapters

Apache Hive Essentials

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

1. Overview of Big Data and Hive

2. Setting Up the Hive Environment

3. Data Definition and Description

4. Data Selection and Scope

5. Data Manipulation

6. Data Aggregation and Sampling

7. Performance Considerations

8. Extensibility Considerations

9. Security Considerations

10. Working with Other Tools

Index

Oozie

Oozie (see http://oozie.apache.org/) is an open source workflow coordination and schedule service to manage data processing jobs. Oozie workflow jobs are defined in a series of nodes in a Directed Acyclical Graph (DAG). Acyclical here means that there are no loops in the graph and all nodes in the graph flow in one direction without going back. Oozie workflows contain either the control flow node or action node:

Control flow node: This either defines the start, end, and failed node in a workflow or controls the workflow execution path such as decision, fork, and join nodes.
Action node: This defines the core data processing action job such as MapReduce, Hadoop filesystem, Hive, Pig, Java, Shell, e-mail, and Oozie subworkflows. Additional types of actions are also supported by developing extensions.

Oozie is a scalable, reliable, and extensible system. It can be parameterized for workflow submission and scheduled to run automatically. Therefore, Oozie is very suitable for lightweight...

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Authors (1)

Dayong Du

Dayong Du has all his career dedicated to enterprise data and analytics for more than 10 years, especially on enterprise use case with open source big data technology, such as Hadoop, Hive, HBase, Spark, etc. Dayong is a big data practitioner as well as author and coach. He has published the 1st and 2nd edition of Apache Hive Essential and coached lots of people who are interested to learn and use big data technology. In addition, he is a seasonal blogger, contributor, and advisor for big data start-ups, co-founder of Toronto big data professional association.

See other products by Dayong Du

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