Kubernetes Tip: Requests & Limits (Without Surprises)
How CPU/memory requests and limits actually affect scheduling, throttling, OOMKills, and autoscaling.
Posts under Kubernetes.
How CPU/memory requests and limits actually affect scheduling, throttling, OOMKills, and autoscaling.
Combine Deployment rollingUpdate settings with PodDisruptionBudgets to keep availability during upgrades and node maintenance.
A structured workflow for diagnosing Pending pods, CrashLoopBackOff, traffic failures, and node-level issues—without guessing.
A production-friendly approach to ServiceAccounts, Roles, and bindings that minimizes blast radius without breaking workflows.
Avoid crash loops and bad rollouts by using the right probe for the right job.
A step-by-step approach to introducing NetworkPolicy without breaking everything on day one.
Safely inspect a live Pod without baking debugging tools into production images.
How to make autoscaling predictable: right requests, sane HPA behavior, VPA recommendations, and capacity-aware cluster scaling.
Tell Kubernetes when an app is ready or needs a restart.
Deploy MySQL replication quickly using Helm charts.
Expose a Pod or Service to a local port for quick debugging.
Use replication for read scaling and recovery.
Provide stable DNS for StatefulSets without load balancing.
Provide stable identity and storage for stateful workloads.
Let PVCs trigger storage provisioning automatically.
Ephemeral volumes live with the Pod and fit cache or temp files.
Decouple storage providers and storage consumers.
Learn how Pods share and persist data with volumes.
Decouple configuration and sensitive data from images.
Run a single-instance MySQL with PVC, Deployment, and Service.
Stateful services need stable identity, storage, and ordered startup.
Manage resources with YAML and a reviewable change workflow.
Validate a new version with small traffic before scaling up.
Separate environments, permissions, and quotas with namespaces.
Use Services to turn dynamic Pods into a stable address.
Learn how Pods share networking, storage, and lifecycle.
Use Deployments to manage replicas and rolling updates.
A lightweight Kubernetes distribution with a one-line install.
Get a working single-node cluster fast with Minikube.
Understand the problems Kubernetes solves from a product view.
Separate control-plane decisions from node execution.
Goals, environment setup, and a practical pace for the series.
Link core objects, controllers, and workflows with the fewest concepts.