Kubernetes Tip: Requests & Limits (Without Surprises)
How CPU/memory requests and limits actually affect scheduling, throttling, OOMKills, and autoscaling.
Tips
Posts under Kubernetes / Tips.
Kubernetes Tip: Safer Rollouts with PDB + Surge/Unavailable
Combine Deployment rollingUpdate settings with PodDisruptionBudgets to keep availability during upgrades and node maintenance.
Kubernetes Tip: A Production Troubleshooting Playbook
A structured workflow for diagnosing Pending pods, CrashLoopBackOff, traffic failures, and node-level issues—without guessing.
Kubernetes Tip: RBAC Least Privilege (Practical, Not Painful)
A production-friendly approach to ServiceAccounts, Roles, and bindings that minimizes blast radius without breaking workflows.
Kubernetes Tip: Readiness vs Liveness vs Startup Probes
Avoid crash loops and bad rollouts by using the right probe for the right job.
Kubernetes Tip: NetworkPolicy as a Practical Default-Deny
A step-by-step approach to introducing NetworkPolicy without breaking everything on day one.
Kubernetes Tip: Debug Pods with Ephemeral Containers
Safely inspect a live Pod without baking debugging tools into production images.
Kubernetes Tip: Autoscaling Without Thrash (HPA + VPA + Cluster Autoscaler)
How to make autoscaling predictable: right requests, sane HPA behavior, VPA recommendations, and capacity-aware cluster scaling.