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Knowing Your Limits

Knowing Your Limits. Jason Fish Informatics @ jasondfish #bweb11. Who should be here?. Designer Developer Administer a website Own a sites content Market a site Manage someone who does the above Use the internet. @ jasondfish. What am I going to tell you?. Mixable

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Knowing Your Limits

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  1. Knowing Your Limits Jason Fish Informatics @jasondfish #bweb11

  2. Who should be here? • Designer • Developer • Administer a website • Own a sites content • Market a site • Manage someone who does the above • Use the internet @jasondfish

  3. What am I going to tell you? • Mixable • What problem we faced • How we found a solution • What we fixed • Give you in tools to do the same @jasondfish

  4. www.purdue.edu/mixable @jasondfish

  5. What technology did we use? • ASP.NET MVC 2.0 • SQL Server 2008 R2 • Memcached • jQuery • API • Facebook • Twitter • Dropbox @jasondfish

  6. What problem did we face? ? • External content • Images • Videos • Profile pictures • Web service calls • Get student courses • Get faculty courses • Get Facebook data @jasondfish

  7. What could we do? • What would you do? • Cache queries • Just-in-time loading of data • Push processing to the user @jasondfish

  8. Was that enough, or right? • No baseline • No idea on content • Did we focus on the wrong things? @jasondfish

  9. Again, what could we do? • Load Test • process of putting demand on a system or device and measuring its response. • en.wikipedia.org/wiki/Load_test @jasondfish

  10. How do we do that here? • Load Runner • Licensing • Huge learning curve • Intensely time consuming • Why do we have it then? • Blackboard • Banner @jasondfish

  11. Well now what? • LoadStorm • General Electric • Wall Street Journal • Nokia • Woot • Free for 25 users • Very little learning curve • No per user license fee @jasondfish

  12. So how does it work? @jasondfish

  13. Build the Test – The Setup @jasondfish

  14. Build the Test – The Scenario @jasondfish

  15. Run the test within 5 minutes @jasondfish

  16. Yay charts! @jasondfish

  17. Yay numbers! • Key Points • Average Response Time • Errors • Peak Requests Per Second @jasondfish

  18. Final Charts @jasondfish

  19. What’s going on here? @jasondfish

  20. There’s More! @jasondfish

  21. Mixable Results @jasondfish

  22. Mixable Charts @jasondfish

  23. Mixable Charts @jasondfish

  24. Mixable Charts @jasondfish

  25. Why such a big change? • Implement Caching • Queries • Images • Utilize CDN’s • jQuery • Image thumbnailing • Code Optimization • C# • Queries @jasondfish

  26. What else do I need to know? • Servers need to be validated • Admins should be notified • Web Server • Database Server • Only Run on Dev/QA @jasondfish

  27. So, why are you here? • Give you access to LoadStorm for FREE • Email me at jfish@purdue.edu @jasondfish

  28. Session surveys http://www.itap.purdue.edu/boilerweb/survey

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