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Learning Apache Apex

You're reading from   Learning Apache Apex Real-time streaming applications with Apex

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Product type Paperback
Published in Nov 2017
Publisher
ISBN-13 9781788296403
Length 290 pages
Edition 1st Edition
Languages
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Authors (5):
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Munagala V. Ramanath Munagala V. Ramanath
Author Profile Icon Munagala V. Ramanath
Munagala V. Ramanath
David Yan David Yan
Author Profile Icon David Yan
David Yan
Ananth Gundabattula Ananth Gundabattula
Author Profile Icon Ananth Gundabattula
Ananth Gundabattula
Thomas Weise Thomas Weise
Author Profile Icon Thomas Weise
Thomas Weise
Kenneth Knowles Kenneth Knowles
Author Profile Icon Kenneth Knowles
Kenneth Knowles
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Toc

Table of Contents (11) Chapters Close

Preface 1. Introduction to Apex FREE CHAPTER 2. Getting Started with Application Development 3. The Apex Library 4. Scalability, Low Latency, and Performance 5. Fault Tolerance and Reliability 6. Example Project – Real-Time Aggregation and Visualization 7. Example Project – Real-Time Ride Service Data Processing 8. Example Project – ETL Using SQL 9. Introduction to Apache Beam 10. The Future of Stream Processing

Building and running the application


You can build the application using the usual Maven command:

mvn clean package -DskipTests

The first time you do this, it may take a few minutes to complete, as it downloads all the dependency artifacts, but subsequent builds should go much faster. When the build completes, you should see a directory called target and a file called etl-1.0-SNAPSHOT.apa within it.

This is the application archive file that needs to be deployed to run the application on an actual Hadoop cluster.

The application includes a test file that can be used to run the entire application in your favorite IDE (such as Eclipse or IntelliJ) without the need for an external cluster as described in Chapter 2,Getting Started with Application Development. You can also run the test from the command line using the following command:

mvn -Dtest=SampleApplicationTest#test test

On modern machines, this should complete successfully in about 40 seconds; if something is wrong, it will fail with a timeout...

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