Book Image

Master Apache JMeter - From Load Testing to DevOps

By : Antonio Gomes Rodrigues, Bruno Demion (Milamber), Philippe Mouawad
Book Image

Master Apache JMeter - From Load Testing to DevOps

By: Antonio Gomes Rodrigues, Bruno Demion (Milamber), Philippe Mouawad

Overview of this book

Load tests help identify the maximum number of requests a software system can handle. One popular open source tool for load testing is JMeter. By leveraging the features and capabilities of JMeter, you can perform extensive load testing and fix issues in your application before they become problematic. This book is written by JMeter developers and begins by discussing the whole process, including recording a script, setting it up, and launching it, enabling you to almost immediately start load testing. You'll learn the best practices that you must follow while designing test cases. You'll also explore the different protocols offered by JMeter through various real-world examples. Finally, you'll see how to integrate JMeter into the DevOps approach and create professional reports. You'll discover ways to use the eco-system of JMeter to integrate new protocols, enrich its monitoring, and leverage its power through the use of the cloud. By the end of this book, you'll know all that's needed to perform comprehensive load testing on your applications by using all the best practices and features of JMeter.
Table of Contents (14 chapters)

Type of Load Test

The type of test often depends on the goals. You have to answer the question, "What should I check?"

Performance/Load Test

Validate the target performance of the application (for example, the response time represented by a target percentile is always less than two seconds).

Figure 3.1: Performance/load test

Stress Test

Know the response times during peak periods.

Figure 3.2: Stress test

The language I've been using in recent years for a 1x, 2x, 3x test workload I'm calling a "scale test" to indicate a particular scale for handling load.

It's helped me to more clearly communicate with PMs and business people the value of doing such a test:

  • If we pass a 1x phase, everyone here doesn't get fired, customers are happy, and we can stay in business
  • If we pass a 2x phase, we're able to handle the upcoming holiday season/increased load as we have some headroom in the system
  • If we can pass a 3x phase,...