TR Jordan: Full Stack Load Testing

  • August 27, 2014 · 6:30 PM
  • Wayfair Offices - 4 Copley Place

Pizza at 6:30, Talk at 7:15.

TR Jordan of AppNeta will speak on the following topic:

Performance is one of the most challenging issues in modern web app design, in large part because modeling, testing, and validating performance before deploying to production is so challenging. While many ops teams have nailed down the problem of re-creating pre-production environments that closely mimic production, those environments frequently rely on known-good components beyond the application code itself: AWS ELB, F5 load balancers, CDNs, Varnish, and more.

Testing plug-in components like that can be challenging, because their performance characteristics don't directly align with application metrics.

 - How many simultaneous users can my load balancer support? - What sort of network load will I put on my CDN (i.e., how much will it cost?) - How do different user behavior patterns affect performance? 

In this meetup, we'll introduce a novel tool in this toolbox: tcpreplay, an open-source tool for replaying packet capture files back at an application. By replaying user traffic to a staging environment, you can test the effects of

 - Network saturation to the load balancer - High numbers of users / IPs - Lots of traffic to your other monitoring tools! 

TR is the Director of Marketing at AppNeta, but he also wrote a bunch of code there before he was pulled away to the dark side.

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