Application Observability and Maintenance (15%)

This part of the curriculum covers the logging, debugging, and metrics of your running applications.

Container Metrics

Container metrics require that heapster be running, and it is pretty standard on clusters now.

$ kubectl top pod -n my-namespace
$ kubectl top node -n my-namespace

Tasks from Kubernetes Doc

• Tasks -> App Introspection and Debugging
• Tasks - Liveness and Readiness Probes
• Tasks -> Debugging Pods
• Tasks -> Troubleshooting Applications
• Tasks -> Debugging Services
• Tasks -> Debugging Services Locally
• Tasks -> Tools for Monitoring Resources