Performance testing for web applications – techniques, metrics and profiling

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Performance testing for web applications – techniques, metrics and profiling

  1. 1. Performance Testing for Web Applications Techniques, Metrics and Profiling Ștefan Popa Software Test Automation Specialist
  2. 2. Agenda Techniques  Stage the environment  Build test assets  Test procedure Metrics analysis  System analysis  Database analysis Profiling  Application profiling  Topology profiling Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 2 of 18
  3. 3. Performance testing for web applications 1. Techniques Stage the environment: Deploy testbed Eliminate deployment issues Build tests assets: Analyze client data to develop an approach strategy Build scenarios Test procedure: Manual & automated tests Automate data collecting and processing Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 3 of 18
  4. 4. Stage the environment: Deploy testbed Create a testbed similar to client’s production Administrator / Management Users Frontend Database Backend Performance Testing for Web Applications: Techniques, Metrics and Profiling Payment Aggregator Slide 4 of 18
  5. 5. Stage the environment: Eliminate deployment issues  Client’s working infrastructure  Application server tuning: - Network issues Data compression Connection pools Memory allocation  Test DB server tuning: - Best practices or DBA expertise Resource allocation for the shared pool Database parameters Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 5 of 18
  6. 6. Build test’s assets: Investigate logs and database Analyze client data  Investigate logs  Investigate database Build scenarios Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 6 of 18
  7. 7. Build test’s assets: Analyze client data to develop an approach strategy Analyze client’s previous product logs or establish new possible scenarios based on existing clients Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 7 of 18
  8. 8. Build test’s assets: Build the scenarios Create the actions Set the goals (expected latencies) Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 8 of 18
  9. 9. Build test’s assets: Manual performance tests: Fiddler / httpwatch Manual testing: Finding issues/bugs with minimal effort Have a reference for automated tests Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 9 of 18
  10. 10. Build test’s assets: Manual performance tests: results Test RUN ID Test Tool # of users # of cycles 1 Login 2 Press "Existing customer" button. 3 Enter the account's Billing Name. Click the "Find" button 4 Click the "Continue" button. 5 Click the button "Update Resources". 6 Select a value from the "Service Number" drop down list. 7 Insert an available "IMEI“. Click the "Retrieve" button. 8 Press add to cart 9 Click the "Service payments" button. 10 Fill in a value for "Amount to pay” Press "Add to cart" 11 Press "Check Out" button. 12 Press "Cash" button. 13 Press "Submit" 14 Press "Finish Sale" Performance Testing for Web Applications: Techniques, Metrics and Profiling 1 Manual - Fiddler 1 10 2 Manual - Fiddler 1 10 3 Manual - Fiddler 1 10 1.42 0.33 0.29 1.88 0.16 0.68 0.45 2.58 0.49 1.66 1.75 0.33 3.50 0.23 0.68 0.23 0.17 1.53 0.21 0.78 0.5 2.56 0.17 1.37 1.06 0.2 2.81 0.12 0.59 0.31 0.03 1.12 0.03 0.43 0.21 1.85 0.17 1.21 0.78 0.17 2.17 0.06 Slide 10 of 18
  11. 11. Build test’s assets: Develop an automated solution for testing Transposing the manual scenario into an automated script Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 11 of 18
  12. 12. Build test’s assets: Calibrate tests Validate script by running with 1 user as in previous manual run. Test RUN ID 3 4 Test Tool Manual Fiddler Automatic jMeter # of users # of cycles 1 3 1 10 0.57 0.53 0.03 0.06 0.07 0.08 0.7 0.76 Click "Update Service" 0.17 0.17 Select Service Number 1.4 1.36 0.51 0.51 0.1 0.1 Add to cart. 2.17 2.03 Click Check Out 0.75 0.91 Press "Check" 0.29 0.31 Submit Check number and press Submit 2.51 2.55 Press Close & Finish sale button. 0.35 0.15 Login Data must be consistent Press "Existing customer" button. with manual tests Enter the first name/last name Click the "Find" button Click the "Continue" button. Validate actual results Change "Rate Plan" Set "Effective Date" (Immediate) Differences between manual and automated tests Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 12 of 18
  13. 13. Test runs, analyze results First stage – Detect low load performance issues Run ID Test Tool # of users Raise limit to client’s expected load 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Open OnlineStore main page. Sort by provider: LG Select a preconfigured phone model with promo Add to cart the phone. Enter a valid ZIP code and click the Submit button. Click the Continue button. Click on the "Postpaid plan type" hyperlink. Select a rate plan. Acknowledge age restrictions Click the "Add to cart" button. Skip add to cart an accessory. Click the Check Out button. Select New Account Enter new user information. Press Continue Checkout Enter Account Owner Info Select Personal address or Postal Service address Verify Cart Select Subscriber info and select “new number" Select Personal address or Postal Service address Select Shipping Details & select Shipping method Review cart and confirm Checkout Agree License and Contract Enter & submit credit card details. Order Complete. Press Continue Shopping Main page loads. Press logout Performance Testing for Web Applications: Techniques, Metrics and Profiling 5 6 7 Automatic (jmeter) Automatic (jmeter) Automatic (jmeter) 1 0.62 10 0.16 20 0.94 50 0.14 50 0.08 50 0.07 100 0.08 0.07 0.04 0.46 0.13 0.06 0.05 0.05 0.42 0.35 1.38 6.8 3.1 0.08 0.09 0.03 0.02 0.25 0.08 0.05 0.01 0.02 1.41 1.52 2.97 13.96 0.05 0.87 0.94 0.82 0.88 2.58 6.21 1.24 0.6 0.63 0.06 0.03 0.49 0.04 1.16 0.03 0.03 0.02 0.01 0.37 0.02 0.01 0.02 0.03 0.05 0.03 0.25 0.05 0.02 0.03 0.04 0.3 0.37 1.14 7.14 2.67 0.06 0.07 0.06 0.06 0.4 0.1 0.02 0.04 0.04 0.05 0.03 0.53 0.05 0.03 0.07 0.08 0.42 0.81 1.69 4.06 0.71 0.32 0.37 0.49 0.98 2.15 3.76 0.59 0.35 0.37 0.38 0.44 1.32 4.7 0.24 0.24 0.25 1.32 4.6 9.44 47.06 28.18 7.46 11.04 0.05 0.03 0.32 0.12 0.02 0.03 0.03 0.17 0.24 0.8 5.54 0.19 1.47 1.62 1.99 3.17 5.75 10.34 1.91 0.07 0.08 0.5 1.09 2.24 5.31 0.99 0.66 0.87 1.43 2.63 5.79 6.42 3.89 0.04 0.05 3.23 3.54 4.87 4.76 0.41 0.33 0.33 2.21 5.64 9.53 27.89 6.67 3.01 2.88 0.11 0.09 0.8 0.14 0.06 0.05 0.06 0.09 0.1 0.52 0.12 0.05 0.06 0.06 Slide 13 of 18 8 9 10 11 Automatic Automatic Automatic Automati (jmeter) (jmeter) (jmeter) c (jmeter)
  14. 14. Performance testing for web applications Metrics analysis Automatic data gathering Automatic data processing Metrics analysis Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 14 of 18
  15. 15. Metrics analysis: Automate collecting and processing test data Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 15 of 18
  16. 16. Metrics analysis: Analyze database issues Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 16 of 18
  17. 17. Metrics analysis: Analyze application server issues Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 17 of 18
  18. 18. Metrics analysis: Analyze network issues Analyze system’s working parameters to help build system requirements. Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 18 of 18
  19. 19. Performance testing for web applications Profiling System-wide load distribution analysis Database profiling Application profiling Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 19 of 18
  20. 20. Profiling: System-wide load distribution analysis Performance profiling of staging environment’s overview Use of APM tools Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 20 of 18
  21. 21. Profiling: Database profiling Workload summary & CPU load Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 21 of 18
  22. 22. Profiling: Database profiling SQL query analysis Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 22 of 18
  23. 23. Profiling: Database profiling Execution plan analysis Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 23 of 18
  24. 24. Profiling: Application profiling Breaking down the problems Finding atomic method’s elapsed time to reduce application server load Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 24 of 18
  25. 25. Performance tests: Publish the results after multiple iterations Run ID # of users 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Open OnlineStore main page. Sort by provider: LG Select a preconfigured phone model with promo Add to cart the phone. Enter a valid ZIP code (57722) and click the Submit button. Click the Continue button. Click on the "Postpaid plan type" hyperlink. Select a rate plan. Acknowledge age restrictions Click the "Add to cart" button. Skip add to cart an accessory. Click the Check Out button. Select New Account Enter new user information. Press Continue Checkout Enter Account Owner Info Select Personal address or Postal Service address Verify Cart Select Subscriber info and select "Give me an Viaero number" Select Personal address or Postal Service address Select Shipping Details & select Shipping method Review cart and confirm Checkout Agree License and Contract Enter & submit credit card details. Order Complete. Press Continue Shopping Site Loads. Press logout 30 1 0.98 31 10 0.3 66 10 0.09 68 50 0.07 72 50 0.07 73 50 0.06 0.52 0.28 0.05 0.05 0.04 0.05 1.38 1.18 0.09 0.08 0.08 0.08 0.15 0.11 0.01 0.01 0.01 0.01 1.19 1.37 1.28 0.87 0.85 0.91 0.88 1.04 0.82 0.6 0.58 0.61 0.66 0.27 0.03 0.03 0.02 0.04 0.07 0.07 0.02 0.02 0.02 0.02 0.66 0.28 0.03 0.03 0.03 0.02 1.27 0.97 0.06 0.06 0.06 0.07 0.19 0.24 0.04 0.04 0.04 0.04 0.2 0.14 0.07 0.07 0.07 0.07 0.49 0.56 0.28 0.32 0.29 0.3 0.84 0.86 0.34 0.35 0.34 0.35 0.47 0.9 0.2 0.24 0.19 0.35 9.16 9.33 6.65 7.46 5.41 3.38 0.24 0.18 0.03 0.03 0.03 0.04 0.49 0.5 1.34 1.47 1.37 0.49 2.79 2.24 0.07 0.07 0.07 0.07 0.95 1.05 0.62 0.66 0.61 0.74 1.77 1.92 0.04 0.04 0.04 0.04 0.72 0.71 0.29 0.33 0.3 0.42 4.73 5.26 3.01 3.01 2.73 2.15 0.37 0.24 0.06 0.05 0.05 0.05 0.13 0.26 0.07 0.06 0.06 0.04 Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 25 of 18
  26. 26. Ștefan Popa - Software Test Automation Specialist Performance Testing for Web Applications: Techniques, Metrics and Profiling Slide 26 of 18

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