Plan

• We have a Kubernetes cluster

  • ... in which there is an example java application
  • Alternatives for building docker image
  • Metrics and graphs
  • K6 soak testing

• What to do when it is not running correctly

  • Connecting to application in debug mode
  • Java Flight Recorder
  • Java Mission Control
  • Other tools and tricks of the trade
  • What have we learned?

What to learn

• More options to debug applications in Kubernetes
• Soak testing
• Metrics help you
  • but determine baseline beforehand
• Plan ahead:
• How are you going to debug an application?
  • Give and revoke temporary access
  • Method for container introspection
  • Document how to attach a container