cloudpatterns.appClassroomKatasWhiteboardBlog
Practice

Keep it alive

Kataeasy~8 min
Kataeasy~8 min

Pixel runs on one web server. At second 15 traffic doubles to 160 requests a second, and at second 35 server A dies for good. Keep Pixel answering through both. Press Run as often as you like — it is free and private. Submit when you are happy: that run is scored and recorded.

Goals

  • Goal: at least 85% of requests succeed, crash included
  • Goal: P95 latency under 50 ms
  • Goal: under $300/month
  • Goal: At second 35: the doubled traffic is served before server A dies

Optional goals · +25% XP each, first time

  • Goal: run it for under $150/month
Budget
$300/month
You can add
Load Balancer, Traffic Source, Web API