Lopsis

Lesson 4.3

Resource limits and troubleshooting

Requests drive scheduling, limits drive eviction. CrashLoopBackOff and OOMKilled are usually a limits conversation, not a code one.

Taught byAlina CostaDocker · Kubernetes · CI/CD · Application security
5m Advanced 3,730 students

Overview

Requests drive scheduling, limits drive eviction. CrashLoopBackOff and OOMKilled are usually a limits conversation, not a code one.

What this lesson covers

  • Set requests and limits that reflect real usage
  • Diagnose CrashLoopBackOff and OOMKilled pods
  • Debug a pod with logs, describe, and exec

This lesson sits in Operating a Cluster, part of DevOps with Docker and Kubernetes. It assumes what came before it and leads directly into the next lesson in the module.

In this lesson you will:

  • Set requests and limits that reflect real usage
  • Diagnose CrashLoopBackOff and OOMKilled pods
  • Debug a pod with logs, describe, and exec

Resources