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TodayStep 1 of 2Try it

Break it

Guide~3 minStep 1 of 2
  1. Try it (current)
  2. Try it 2

Your app has two servers and a load balancer wired to both — but the users still go straight to server A. Ten seconds in, server A dies. Press Play and watch every request fail. Then fix the wiring: send the users through the load balancer, so it can steer around the dead server.

  • Goal: Users go through the load balancer
  • Goal: After server A dies, nearly all 80 requests a second are still answered
Make the change — it checks itself