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  • Book Overview & Buying Performance Testing with JMeter, 2nd Edition
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Performance Testing with JMeter, 2nd Edition

Performance Testing with JMeter, 2nd Edition

By : Erinle
3.7 (7)
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Performance Testing with JMeter, 2nd Edition

Performance Testing with JMeter, 2nd Edition

3.7 (7)
By: Erinle
Buy this Book

Overview of this book

This book is great for developers, quality assurance engineers, testers, and test managers new to Apache JMeter, or those who are looking to get a good grounding in how to effectively use and become proficient with JMeter. No prior testing experience is required.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Performance Testing Fundamentals
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1. Performance Testing Fundamentals
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The incident
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The aftermath
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Performance testing
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Performance testing and tuning
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JMeter to the rescue
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Up and running with JMeter
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Summary
2
2. Recording Your First Test
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2. Recording Your First Test
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Configuring the JMeter HTTP(S) Test Script Recorder
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Setting up your browser to use the proxy server
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Anatomy of a JMeter test
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Summary
3
3. Submitting Forms
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3. Submitting Forms
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Capturing simple forms
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Summary
4
4. Managing Sessions
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4. Managing Sessions
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Managing sessions with cookies
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Managing sessions with URL rewriting
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Summary
5
5. Resource Monitoring
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5. Resource Monitoring
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Basic server monitoring
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Monitoring the server with a JMeter plugin
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Summary
6
6. Distributed Testing
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6. Distributed Testing
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Remote testing with JMeter
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Leveraging the cloud for distributed testing
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Using cloud services
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Summary
7
7. Helpful Tips
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7. Helpful Tips
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JMeter properties and variables
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JMeter functions
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The Regular Expression tester
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The debug sampler
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Using timers in your test plan
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The JDBC Request sampler
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Using a MongoDB Sampler
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A Dummy Sampler
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The JSON Path Extractor element
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Handling RESTful web services
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Summary
8
Index
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Index

JMeter functions

JMeter functions are special values that can populate fields or any sampler or other element in the test plan. They take the following form:

${__functionName(var1,var2,var3)}

Here, __functionName matches any of the many function names JMeter offers. Parentheses surround the parameters sent to the function, which can vary from function to function. Functions with no parameters don't need the parentheses, for example, ${__threadNum}. A list of all available functions can be found on JMeter's website at http://jmeter.apache.org/usermanual/functions.html. Functions are divided into seven main categories. They are given here along with their examples:

  • Information: threadNum, machineIP, time, and so on

  • Input: CSVRead, XPath, and so on

  • Calculation: counter, Random, UUID, and so on

  • Scripting: javaScript, BeanShell, and so on

  • Properties: property, P, setProperty, and so on

  • Variables: split, eval, and so on

  • String: char, unescape, and so on

Functions can prove useful in certain situations...

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Performance Testing with JMeter, 2nd Edition
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