PayFlow Performance Testing Fundamentals

 

Business Scenario

Welcome back to the PayFlow Project.

In the previous lab, you learned AI-powered functional testing. As a DevOps QA Engineer, your next responsibility is ensuring the PayFlow application performs efficiently under multiple users. While functional testing verifies correctness, performance testing measures response time, throughput, and system stability under different workloads.

Pre-Lab Preparation

Topic :

1) Understand performance testing concepts

2) Identify KPIs (throughput, response time)

3) Define test scenarios

4) Prepare performance test plan

In this lab, you will learn performance testing fundamentals, key performance metrics (KPIs), realistic test scenarios, and how to prepare a performance test plan. By the end, you will be ready to perform performance testing using tools like Apache JMeter in upcoming labs.

Task 1: Understand Performance Testing Concepts

What is Performance Testing?

Performance Testing is a type of non-functional testing that measures how well an application performs under different workloads. It checks the application's speed, response time, stability, and scalability when multiple users access it simultaneously.

Understand Performance Testing

1

How Does It Work?

The Performance Testing process includes:

  1. Identify the application to be tested.
  2. Define the expected number of users.
  3. Create performance test scenarios.
  4. Execute performance tests using tools like Apache JMeter.
  5. Measure response time, throughput, and error rate.
  6. Analyze the results and identify performance issues.

 

Example (PayFlow Project)

Assume 500 users make online payments at the same time.

 

Performance Testing checks:

  • Does the payment page load quickly?
  • Is the payment processed within the expected time?
  • Can the server handle all user requests?
  • Does the application remain stable?

 

Teacher Activity

Show a real-world example of an online payment application during a sale.

Screenshot

📷 Performance Testing Workflow

📷 PayFlow Application Under Load

 

How Does It Work?

The Performance Testing process includes:

  1. Identify the application to be tested.
  2. Define the expected number of users.
  3. Create performance test scenarios.
  4. Execute performance tests using tools like Apache JMeter.
  5. Measure response time, throughput, and error rate.
  6. Analyze the results and identify performance issues.

 

Example (PayFlow Project)

Assume 500 users make online payments at the same time.

 

Performance Testing checks:

  • Does the payment page load quickly?
  • Is the payment processed within the expected time?
  • Can the server handle all user requests?
  • Does the application remain stable?

 

Teacher Activity

Show a real-world example of an online payment application during a sale.

 

Screenshot

  • Performance Testing Workflow
  • PayFlow Application Under Load

Understand the Need for Performance Testing

2

What is the Need for Performance Testing?

Performance Testing ensures that an application continues to work efficiently even when many users access it at the same time. It helps identify performance issues before the software is released.

 

How Does It Work?

  1. Estimate expected user traffic.
  2. Simulate user load.
  3. Measure application performance.
  4. Identify slow pages.
  5. Optimize the application if required.

Example (PayFlow Project)

During a festival sale, thousands of customers access the PayFlow application simultaneously. Performance Testing verifies whether the application can process all payment requests without delays or failures.

Screenshot

📷 Heavy User Traffic

📷 Server Load Example

 

What is the Need for Performance Testing?

Performance Testing ensures that an application continues to work efficiently even when many users access it at the same time. It helps identify performance issues before the software is released.

 

How Does It Work?

  1. Estimate expected user traffic.
  2. Simulate user load.
  3. Measure application performance.
  4. Identify slow pages.
  5. Optimize the application if required.

Example (PayFlow Project)

During a festival sale, thousands of customers access the PayFlow application simultaneously. Performance Testing verifies whether the application can process all payment requests without delays or failures.

 

Screenshot

  • Heavy User Traffic
  • Server Load Example

Understand the Types of Performance Testing

3

What are the Types of Performance Testing?

The main types of Performance Testing are:

  • Load Testing
  • Stress Testing
  • Spike Testing
  • Endurance Testing
  • Volume Testing

 

How Does It Work?

Different user loads are simulated depending on the testing objective.

For example:

100 Users → Load Testing

1000 Users → Stress Testing

Sudden jump from 100 to 1000 users → Spike Testing

Continuous testing for 8 hours → Endurance Testing

 

How Does It Work?

  1. Estimate expected user traffic.
  2. Simulate user load.
  3. Measure application performance.
  4. Identify slow pages.
  5. Optimize the application if required.

Example (PayFlow Project)

During a festival sale, thousands of customers access the PayFlow application simultaneously. Performance Testing verifies whether the application can process all payment requests without delays or failures.

 

Screenshot

  • Heavy User Traffic
  • Server Load Example

What are the Types of Performance Testing?

The main types of Performance Testing are:

  • Load Testing
  • Stress Testing
  • Spike Testing
  • Endurance Testing
  • Volume Testing

 

How Does It Work?

Different user loads are simulated depending on the testing objective.

For example:

  • 100 Users → Load Testing
  • 1000 Users → Stress Testing
  • Sudden jump from 100 to 1000 users → Spike Testing
  • Continuous testing for 8 hours → Endurance Testing
Testing TypeExample
Load Testing500 users make payments simultaneously.
Stress Testing5000 users access the payment portal.
Spike TestingTraffic suddenly increases during a flash sale.
Endurance Testing
Payment application runs continuously for 12 hours.
Volume Testing
Database contains millions of transaction records.

Example (PayFlow Project)

Screenshot

  • Types of Performance Testing

  • Performance Testing Comparison Chart

Understand the Performance Testing Process

4

What is the Performance Testing Process?
The Performance Testing process is a sequence of activities used to plan, execute, analyze, and improve application performance.

 

How Does It Work?
The process includes:

  1. Analyze requirements.

  2. Define performance objectives.

  3. Prepare test scenarios.

  4. Configure the test environment.

  5. Execute performance tests.

  6. Analyze reports.

  7. Optimize the application.

  8. Re-test after improvements.

Example (PayFlow Project)
For testing the Payment Module:
Define 500 concurrent users.
Execute Load Testing.
Measure response time.
Analyze bottlenecks.
Improve server performance if required.
Screenshot
📷 Performance Testing Lifecycle
📷 Testing Workflow

 

What is the Performance Testing Process?
The Performance Testing process is a sequence of activities used to plan, execute, analyze, and improve application performance.

 

How Does It Work?
The process includes:

  1. Analyze requirements.

  2. Define performance objectives.

  3. Prepare test scenarios.

  4. Configure the test environment.

  5. Execute performance tests.

  6. Analyze reports.

  7. Optimize the application.

  8. Re-test after improvements.

Example (PayFlow Project)
For testing the Payment Module:

  • Define 500 concurrent users.

  • Execute Load Testing.

  • Measure response time.

  • Analyze bottlenecks.

  • Improve server performance if required.

Screenshot

  • Performance Testing Lifecycle

  • Testing Workflow

 

Understand the Performance Testing Process

5

What is the Role of Performance Testing in DevOps?

In DevOps, Performance Testing is integrated into the CI/CD pipeline to ensure that every new software build meets performance standards before deployment. Automated performance tests help identify performance issues early in the development lifecycle.

 

How Does It Work?

  1. Developer pushes code to GitHub.
  2. Jenkins starts the CI/CD pipeline.
  3. The application is built automatically.
  4. Performance tests are executed using JMeter.
  5. Reports are generated.
  6. The QA team reviews the results.
  7. If performance is acceptable, the application proceeds to deployment.

 

Example (PayFlow Project)

A developer updates the payment module and pushes the changes to GitHub. Jenkins triggers the pipeline, JMeter executes a performance test with 500 virtual users, and generates a report showing response time, throughput, and error rate. If the results meet the defined performance criteria, the build is approved for deployment.

 

Screenshot

  • Performance Testing in CI/CD Pipeline
  • Jenkins + JMeter Workflow
  • Automated Performance Testing Process

 

What is the Role of Performance Testing in DevOps?

In DevOps, Performance Testing is integrated into the CI/CD pipeline to ensure that every new software build meets performance standards before deployment. Automated performance tests help identify performance issues early in the development lifecycle.

 

How Does It Work?

  1. Developer pushes code to GitHub.
  2. Jenkins starts the CI/CD pipeline.
  3. The application is built automatically.
  4. Performance tests are executed using JMeter.
  5. Reports are generated.
  6. The QA team reviews the results.
  7. If performance is acceptable, the application proceeds to deployment.

 

Example (PayFlow Project)

A developer updates the payment module and pushes the changes to GitHub. Jenkins triggers the pipeline, JMeter executes a performance test with 500 virtual users, and generates a report showing response time, throughput, and error rate. If the results meet the defined performance criteria, the build is approved for deployment.

 

Screenshot

  • Performance Testing in CI/CD Pipeline
  • Jenkins + JMeter Workflow
  • Automated Performance Testing Process

 

Task 2: Identify Performance KPIs

What are Performance KPIs?

1

Performance KPIs (Key Performance Indicators) are measurable values used to evaluate how well an application performs under different workloads. They help testers determine whether the application meets the expected performance requirements.

Performance KPIs (Key Performance Indicators) are measurable values used to evaluate how well an application performs under different workloads. They help testers determine whether the application meets the expected performance requirements.

 

How Does It Work?

During performance testing:

  1. Execute the performance test.
  2. Collect performance metrics.
  3. Analyze KPI values.
  4. Compare results with expected performance.
  5. Identify areas for improvement.

 

Example (PayFlow Project)

During a load test with 500 users, the QA team records:

  • Response Time
  • Throughput
  • Error Rate
  • Transactions Per Second

These values help determine whether the payment application performs efficiently.

 

Screenshot

  • Sample Performance Dashboard
  • KPI Report

 

Performance KPIs (Key Performance Indicators) are measurable values used to evaluate how well an application performs under different workloads. They help testers determine whether the application meets the expected performance requirements.

 

How Does It Work?

During performance testing:

  1. Execute the performance test.
  2. Collect performance metrics.
  3. Analyze KPI values.
  4. Compare results with expected performance.
  5. Identify areas for improvement.

 

Example (PayFlow Project)

During a load test with 500 users, the QA team records:

  • Response Time
  • Throughput
  • Error Rate
  • Transactions Per Second

These values help determine whether the payment application performs efficiently.

 

Screenshot

  • Sample Performance Dashboard
  • KPI Report

 

Measure Response Time

2

What is Response Time?

Response Time is the time taken by the application to respond to a user's request. It starts when a user sends a request and ends when the complete response is received.

 

Why is Response Time Important?

Response Time helps to:

  • Measure application speed.
  • Improve user experience.
  • Detect slow pages.
  • Evaluate application performance.

 

How Does It Work?

  1. User sends a request.
  2. Server processes the request.
  3. Server sends the response.
  4. Measure the total time taken.

 

Example (PayFlow Project)

A customer clicks the Pay Now button.

  • Request Sent: 10:00:00
  • Response Received: 10:00:02

Response Time = 2 Seconds

 

Screenshot

  • Response Time Graph
  • Sample Report

 

What is Response Time?

Response Time is the time taken by the application to respond to a user's request. It starts when a user sends a request and ends when the complete response is received.

 

Why is Response Time Important?

Response Time helps to:

  • Measure application speed.
  • Improve user experience.
  • Detect slow pages.
  • Evaluate application performance.

 

How Does It Work?

  1. User sends a request.
  2. Server processes the request.
  3. Server sends the response.
  4. Measure the total time taken.

 

Example (PayFlow Project)

A customer clicks the Pay Now button.

  • Request Sent: 10:00:00
  • Response Received: 10:00:02

Response Time = 2 Seconds

 

Screenshot

  • Response Time Graph
  • Sample Report

What is Response Time?

Response Time is the time taken by the application to respond to a user's request. It starts when a user sends a request and ends when the complete response is received.

 

Why is Response Time Important?

Response Time helps to:

  • Measure application speed.
  • Improve user experience.
  • Detect slow pages.
  • Evaluate application performance.

 

How Does It Work?

  1. User sends a request.
  2. Server processes the request.
  3. Server sends the response.
  4. Measure the total time taken.

 

Example (PayFlow Project)

A customer clicks the Pay Now button.

  • Request Sent: 10:00:00
  • Response Received: 10:00:02

Response Time = 2 Seconds

 

Screenshot

  • Response Time Graph
  • Sample Report

Measure Throughput

3

What is Throughput?
Throughput is the number of requests or transactions processed by the application within a specific period of time.
It indicates how much work the application can handle.

 

How Does It Work?

  1. Execute the performance test.
  2. Count the total successful requests.
  3. Divide by execution time.

 

Example (PayFlow Project)

During one minute:

  • Successful Transactions = 600
  • Throughput = 600 Transactions per Minute

Screenshot
📷 Throughput Report
📷 Transactions Graph

 

What is Throughput?
Throughput is the number of requests or transactions processed by the application within a specific period of time.
It indicates how much work the application can handle.

 

How Does It Work?

  1. Execute the performance test.
  2. Count the total successful requests.
  3. Divide by execution time.

 

Example (PayFlow Project)

During one minute:

  • Successful Transactions = 600
  • Throughput = 600 Transactions per Minute

 

Screenshot

  • Throughput Report
  • Transactions Graph

Understand Concurrent Users and Transactions Per Second (TPS)

4

What are Concurrent Users?

Concurrent Users are the number of users accessing the application at the same time.

 

What is Transactions Per Second (TPS)?

TPS (Transactions Per Second) is the number of successful transactions processed by the application every second.

How Does It Work?

Simulate multiple users.

Execute transactions.

Measure how many users are active simultaneously.

Calculate TPS.

Example (PayFlow Project)

During testing:

Concurrent Users = 500

Transactions Per Second = 25 TPS

This means the application supports 500 active users and processes 25 successful payment transactions every second.

Screenshot

📷 Concurrent Users Graph

📷 TPS Report

 

What are Concurrent Users?

Concurrent Users are the number of users accessing the application at the same time.

 

What is Transactions Per Second (TPS)?

TPS (Transactions Per Second) is the number of successful transactions processed by the application every second.

How Does It Work?

  1. Simulate multiple users.
  2. Execute transactions.
  3. Measure how many users are active simultaneously.
  4. Calculate TPS.

Example (PayFlow Project)

During testing:

  • Concurrent Users = 500
  • Transactions Per Second = 25 TPS

This means the application supports 500 active users and processes 25 successful payment transactions every second.

Screenshot

  • Concurrent Users Graph
  • TPS Report

Measure Error Rate and Analyze KPI Results

5

Step Objective

Learn how to measure Error Rate and analyze all KPI values to determine application performance.

 

What is Error Rate?

Error Rate is the percentage of failed requests or transactions during performance testing.

It indicates the reliability and stability of the application.

 

How Does It Work?

  1. Execute the performance test.
  2. Count total requests.
  3. Count failed requests.
  4. Calculate the percentage of failures.
  5. Analyze all KPIs together.

Example (PayFlow Project)

 

Step Objective

Learn how to measure Error Rate and analyze all KPI values to determine application performance.

 

What is Error Rate?

Error Rate is the percentage of failed requests or transactions during performance testing.

It indicates the reliability and stability of the application.

 

How Does It Work?

  1. Execute the performance test.
  2. Count total requests.
  3. Count failed requests.
  4. Calculate the percentage of failures.
  5. Analyze all KPIs together

 

Example (PayFlow Project)

Performance Test Results:

 

 

KPIValue
Response Time2 Seconds
Throughput600 Transactions/Minute
Concurrent Users500
TPS25
Error Rate1%

The QA team analyzes these results to determine whether the PayFlow application meets the expected performance standards.

 

Screenshot

  • Performance Summary Report
  • KPI Dashboard
  • Performance Analysis Graph

 

The QA team analyzes these results to determine whether the PayFlow application meets the expected performance standards.

 

Screenshot

  • Performance Summary Report
  • KPI Dashboard
  • Performance Analysis Graph

 

Task 3: Define Performance Test Scenarios

Understand Performance Test Scenarios

1

What is a Performance Test Scenario?

A Performance Test Scenario is a planned business activity that is tested under a specific user load to evaluate the application's speed, stability, and scalability. It represents how real users interact with the application during normal or peak usage.

 

How Does It Work?

  1. Identify important business functions.
  2. Select the transactions to test.
  3. Define the expected number of users.
  4. Execute the scenarios under different loads.
  5. Analyze the performance results.

Example (PayFlow Project)

Business Scenario:

500 users log in and make online payments simultaneously.

The QA team verifies whether the application can process all transactions successfully without slowing down.

Screenshot

📷 PayFlow Business Workflow

📷 Performance Test Scenario Diagram

 

What is a Performance Test Scenario?

A Performance Test Scenario is a planned business activity that is tested under a specific user load to evaluate the application's speed, stability, and scalability. It represents how real users interact with the application during normal or peak usage.

 

How Does It Work?

  1. Identify important business functions.
  2. Select the transactions to test.
  3. Define the expected number of users.
  4. Execute the scenarios under different loads.
  5. Analyze the performance results.

Example (PayFlow Project)

Business Scenario:

500 users log in and make online payments simultaneously.

The QA team verifies whether the application can process all transactions successfully without slowing down.

 

Screenshot

  • PayFlow Business Workflow
  • Performance Test Scenario Diagram

Identify Critical Business Transactions

2

What are Critical Business Transactions?

Critical Business Transactions are the most frequently used and business-important operations that directly affect users and business performance.

How Does It Work?

  1. Study the application workflow.
  2. Identify frequently used features.
  3. Select business-critical transactions.
  4. Prioritize the transactions.
  5. Include them in the performance test plan.

Example (PayFlow Project)

Critical transactions include:

User Login

Search Product

Add to Cart

Payment Processing

Transaction Confirmation

Logout

These transactions should always be included in performance testing.

Screenshot

📷 PayFlow Transaction Flow

📷 Business Process Diagram

 

What are Critical Business Transactions?

Critical Business Transactions are the most frequently used and business-important operations that directly affect users and business performance.

How Does It Work?

  1. Study the application workflow.
  2. Identify frequently used features.
  3. Select business-critical transactions.
  4. Prioritize the transactions.
  5. Include them in the performance test plan.

 

Example (PayFlow Project)

Critical transactions include:

  • User Login
  • Search Product
  • Add to Cart
  • Payment Processing
  • Transaction Confirmation
  • Logout

These transactions should always be included in performance testing.

 

Screenshot

  • PayFlow Transaction Flow
  • Business Process Diagram

 

What are Critical Business Transactions?

Critical Business Transactions are the most frequently used and business-important operations that directly affect users and business performance.

How Does It Work?

  1. Study the application workflow.
  2. Identify frequently used features.
  3. Select business-critical transactions.
  4. Prioritize the transactions.
  5. Include them in the performance test plan.

 

Example (PayFlow Project)

Critical transactions include:

  • User Login
  • Search Product
  • Add to Cart
  • Payment Processing
  • Transaction Confirmation
  • Logout

These transactions should always be included in performance testing.

 

Screenshot

  • PayFlow Transaction Flow
  • Business Process Diagram

 

Define User Load and Workload

3

  1. Estimate expected users.
  2. Identify user activities.
  3. Assign user load.
  4. Define execution duration.
  5. Prepare workload distribution.

 

Example (PayFlow Project)

  • Performance Test Configuration:
  • Concurrent Users: 500
  • Test Duration: 30 Minutes
  • User Activities:
  1. Login
  2. Search Product
  3. Payment
  4. Logout

 

  1. Login
  2. Search Product
  3. Payment
  4. Logout

 

Screenshot

  • User Load Diagram
  • Workload Distribution Chart

Create Performance Test Scenarios

4

What are Performance Test Scenarios?

Performance Test Scenarios are different situations used to evaluate application behavior under various workloads.

 

How Does It Work?

  1. Select a business process.
  2. Define the number of users.
  3. Specify user actions.
  4. Define expected results.
  5. Save the test scenario.

 

What are Performance Test Scenarios?

Performance Test Scenarios are different situations used to evaluate application behavior under various workloads.

 

How Does It Work?

  1. Select a business process.
  2. Define the number of users.
  3. Specify user actions.
  4. Define expected results.
  5. Save the test scenario.

 

Example (PayFlow Project)

 

 

ScenarioUsersExpected Result
Login Test300Successful Login
Payment Test500Payment Completed
Transaction History200Records Displayed
Logout Test300User Logged Out

Screenshot

  • Performance Scenario Table
  • Business Workflow

Review and Validate Test Scenarios

5

What is Scenario Validation?

Scenario Validation is the process of checking whether the defined performance test scenarios are complete, realistic, and aligned with business requirements.

How Does It Work?

Review all defined scenarios.

Verify business workflows.

Check user load and workload.

Confirm expected results.

Finalize scenarios for execution.

Example (PayFlow Project)

The QA team reviews all payment-related scenarios and confirms that Login, Payment, Transaction Confirmation, and Logout workflows are included before starting performance testing.

Screenshot

📷 Scenario Review Checklist

📷 Final Performance Test Scenario Document

📷 Performance Test Plan Preview

 

What is Scenario Validation?

Scenario Validation is the process of checking whether the defined performance test scenarios are complete, realistic, and aligned with business requirements.

 

How Does It Work?

  • Review all defined scenarios.
  • Verify business workflows.
  • Check user load and workload.
  • Confirm expected results.
  • Finalize scenarios for execution.

 

Example (PayFlow Project)

The QA team reviews all payment-related scenarios and confirms that Login, Payment, Transaction Confirmation, and Logout workflows are included before starting performance testing.

 

Screenshot

  • Scenario Review Checklist
  • Final Performance Test Scenario Document
  • Performance Test Plan Preview

 

What is Scenario Validation?

Scenario Validation is the process of checking whether the defined performance test scenarios are complete, realistic, and aligned with business requirements.

 

How Does It Work?

  • Review all defined scenarios.
  • Verify business workflows.
  • Check user load and workload.
  • Confirm expected results.
  • Finalize scenarios for execution.

 

Example (PayFlow Project)

The QA team reviews all payment-related scenarios and confirms that Login, Payment, Transaction Confirmation, and Logout workflows are included before starting performance testing.

 

Screenshot

  • Scenario Review Checklist
  • Final Performance Test Scenario Document
  • Performance Test Plan Preview

 

Task 4: Define Prepare Performance Test Plan

Understand the Performance Test Plan

1

What is a Performance Test Plan?

A Performance Test Plan is a document that defines how performance testing will be conducted. It includes the testing objectives, scope, environment, workload, test scenarios, tools, and expected results.

 

How Does It Work?

The QA team prepares the Performance Test Plan before testing by defining:

  1. Test objectives.
  2. Application modules to be tested.
  3. Performance metrics.
  4. User workload.
  5. Success criteria.

Example (PayFlow Project)

Prepare a Performance Test Plan for the Online Payment Module to verify application performance with 500 concurrent users.

Screenshot

📷 Sample Performance Test Plan

📷 Test Planning Workflow

 

What is a Performance Test Plan?

A Performance Test Plan is a document that defines how performance testing will be conducted. It includes the testing objectives, scope, environment, workload, test scenarios, tools, and expected results.

 

How Does It Work?

The QA team prepares the Performance Test Plan before testing by defining:

  1. Test objectives.
  2. Application modules to be tested.
  3. Performance metrics.
  4. User workload.
  5. Success criteria.

 

Example (PayFlow Project)

Prepare a Performance Test Plan for the Online Payment Module to verify application performance with 500 concurrent users.

 

Screenshot

  • Sample Performance Test Plan
  • Test Planning Workflow

Define Test Objectives and Scope

2

What are Test Objectives and Scope?

Test Objectives describe what needs to be achieved through performance testing.

Test Scope defines which application modules and functionalities will be included or excluded from testing.

How Does It Work?

Identify business requirements.

Select critical application modules.

Define testing goals.

Document included and excluded functionalities.

Example (PayFlow Project)

Objective:

Verify that the Payment Module supports 500 concurrent users with acceptable response time.

Scope:

Included:

Login

Payment Processing

Transaction Confirmation

Excluded:

Admin Module

Report Generation

Screenshot

📷 Test Objective Document

📷 Scope Definition

 

What are Test Objectives and Scope?

Test Objectives describe what needs to be achieved through performance testing.

Test Scope defines which application modules and functionalities will be included or excluded from testing.

How Does It Work?

  1. Identify business requirements.
  2. Select critical application modules.
  3. Define testing goals.
  4. Document included and excluded functionalities.

 

Example (PayFlow Project)

Objective:

Verify that the Payment Module supports 500 concurrent users with acceptable response time.

Scope:

Included:

  • Login
  • Payment Processing
  • Transaction Confirmation
 

Excluded:

  • Admin Module
  • Report Generation

 

Screenshot

  • Test Objective Document
  • Scope Definition

Plan Test Environment and Workload

3

What is a Test Environment?

A Test Environment is the hardware, software, network, database, and testing tools required to execute performance tests.

 

What is Workload Planning?

Workload Planning defines the number of users, test duration, and user activities during testing.

How Does It Work?

Configure the test server.

Install testing tools (JMeter).

Define the number of users.

Specify test duration.

Select business transactions to execute.

Example (PayFlow Project)

Environment:

Application Server

Test Database

Apache JMeter

Windows System

Workload:

Users: 500

Duration: 30 Minutes

Activities:

Login

Payment

Transaction Confirmation

Logout

Screenshot

📷 Test Environment Diagram

📷 Workload Planning Table

 

What is a Test Environment?

A Test Environment is the hardware, software, network, database, and testing tools required to execute performance tests.

 

What is Workload Planning?

Workload Planning defines the number of users, test duration, and user activities during testing.

How Does It Work?

  1. Configure the test server.
  2. Install testing tools (JMeter).
  3. Define the number of users.
  4. Specify test duration.
  5. Select business transactions to execute.

 

Example (PayFlow Project)

Environment:

  • Application Server
  • Test Database
  • Apache JMeter
  • Windows System

Workload:

  • Users: 500
  • Duration: 30 Minutes
  • Activities:

What is a Test Environment?

A Test Environment is the hardware, software, network, database, and testing tools required to execute performance tests.

 

What is Workload Planning?

Workload Planning defines the number of users, test duration, and user activities during testing.

How Does It Work?

  1. Configure the test server.
  2. Install testing tools (JMeter).
  3. Define the number of users.
  4. Specify test duration.
  5. Select business transactions to execute.

 

Example (PayFlow Project)

Environment:

  • Application Server
  • Test Database
  • Apache JMeter
  • Windows System

Workload:

  • Users: 500
  • Duration: 30 Minutes
  • Activities:
  • Login
  • Payment
  • Transaction Confirmation
  • Logout

Screenshot

  • Test Environment Diagram
  • Workload Planning Table

Define Success Criteria

4

What are Success Criteria?

Success Criteria are predefined performance standards that the application must achieve during testing.

 

How Does It Work?

  1. Before execution, define acceptable values for:
  2. Response Time
  3. Throughput
  4. Error Rate
  5. Concurrent Users
  6. TPS
  7. After testing, compare actual results with these values.

Example (PayFlow Project)

 

What are Success Criteria?

Success Criteria are predefined performance standards that the application must achieve during testing.

 

How Does It Work?

  1. Before execution, define acceptable values for:
  2. Response Time
  3. Throughput
  4. Error Rate
  5. Concurrent Users
  6. TPS
  7. After testing, compare actual results with these values.

Example (PayFlow Project)

KPITarget Value
Response TimeLess than 2 Seconds
Throughput600 Transactions/Minute
Concurrent Users500 Users
Error RateLess than 1%
TPS25 Transactions/Second

If the results meet these values, the performance test is considered successful.

Screenshot

  • KPI Target Table
  • Performance Result Comparison

 

If the results meet these values, the performance test is considered successful.

Screenshot

  • KPI Target Table
  • Performance Result Comparison

 Review and Finalize the Performance Test Plan

5

What is Test Plan Review?

A Test Plan Review is the process of verifying that all testing requirements, scenarios, workload, KPIs, and success criteria are complete and approved before execution.

 

How Does It Work?

  1. Review the test objectives.
  2. Verify the scope and scenarios.
  3. Confirm workload and environment details.
  4. Check KPI targets and success criteria.
  5. Obtain approval from the QA Lead or Project Manager.
  6. Finalize the Performance Test Plan.

Example (PayFlow Project)

The QA team reviews the Performance Test Plan and confirms:

Objectives are clearly defined.

Critical payment workflows are included.

Environment is ready.

Workload is configured for 500 concurrent users.

KPI targets are documented.

The plan is approved for execution.

Screenshot

📷 Final Performance Test Plan

📷 Test Plan Review Checklist

📷 Approved Performance Test Plan

 

What is Test Plan Review?

A Test Plan Review is the process of verifying that all testing requirements, scenarios, workload, KPIs, and success criteria are complete and approved before execution.

 

How Does It Work?

  1. Review the test objectives.
  2. Verify the scope and scenarios.
  3. Confirm workload and environment details.
  4. Check KPI targets and success criteria.
  5. Obtain approval from the QA Lead or Project Manager.
  6. Finalize the Performance Test Plan.

 

Example (PayFlow Project)

The QA team reviews the Performance Test Plan and confirms:

  • Objectives are clearly defined.
  • Critical payment workflows are included.
  • Environment is ready.
  • Workload is configured for 500 concurrent users.
  • KPI targets are documented.
  • The plan is approved for execution.

 

Screenshot

  • Final Performance Test Plan
  • Test Plan Review Checklist
  • Approved Performance Test Plan

 

Great job!

Congratulations! You have completed the PayFlow AI-Assisted CI/CD Optimisation & Debugging lab. In this lab, you learned how AI supports DevOps by assisting with Jenkins pipeline configuration, analysing CI/CD failures, optimising workflows, and improving automation testing efficiency. You also explored how AI can reduce manual effort, speed up troubleshooting, and improve software quality. These skills will help you build smarter and more efficient CI/CD pipelines using modern AI-powered DevOps practices.

Checkpoint

 

Great job!

Congratulations! You have successfully completed the PayFlow Performance Testing Fundamentals lab.

In this lab, you learned the fundamentals of Performance Testing and its importance in ensuring application speed, stability, and scalability. You explored different performance testing concepts, identified key performance indicators (KPIs) such as Response Time, Throughput, Concurrent Users, Transactions Per Second (TPS), and Error Rate, defined realistic performance test scenarios based on the PayFlow application, and prepared a structured Performance Test Plan. These concepts provide a strong foundation for executing real-time performance tests and analyzing application performance using Apache JMeter in the upcoming lab.

 

Checkpoint

Next-Lab Preparation

Topic: 

1) Install Apache JMeter

2) Create load test scripts

3) Execute stress tests

4) Analyze system behavior

 

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