Tag

#Kubernetes

10 articles found

Diagram of Reading the memory curve: 1. Flat, near the limit, 2. Raise the limit, 3. Steady climb, regular kills, 4. Fix the code, 5. Fine, then one big request, 6. Size for the peak.

OOMKilled and Exit Code 137: Limit, Leak or Spike?

OOMKilled means the kernel killed a Kubernetes container for using too much memory. How to tell a low limit from a leak or a one-off spike before you raise anything.

#Kubernetes#troubleshooting

Neeraj Jha

November 1, 2026

Diagram of One turn of the loop: 1. Container starts, 2. It exits, 3. Kubernetes restarts it, 4. Back-off grows, 5. You read the previous run.

3 min

KubernetesBeginnerNew

CrashLoopBackOff: Find the Cause in Three Commands

CrashLoopBackOff means a Kubernetes container keeps exiting and being restarted. Read the previous container's logs, its exit reason and the pod events, and the cause is usually on screen.

#Kubernetes#troubleshooting

Neeraj Jha

October 30, 2026

Diagram of One request, two controllers: 1. Request arrives, 2. Ingress NGINX matching, 3. Gateway API matching, 4. No match, 5. 404.

3 min

DevOpsIntermediateNew

Leaving Ingress NGINX? Five Things That Will Quietly Return 404

Ingress NGINX was retired in March 2026, and moving the same rules to Gateway API can break routes that worked for years. Five behaviours from the Kubernetes project's own write-up, in plain language, with a check to run before you switch.

#Kubernetes#Nginx

Neeraj Jha

October 26, 2026

Diagram: an annotated Deployment manifest showing its kind, replica count, pinned image and missing resource requests.

10 min

ContainersBeginner

Reading a Kubernetes YAML You Did Not Write

How to get oriented in a Kubernetes YAML file you did not write: four hundred lines, in production, by somebody who left. An order that works, and why the file may not be what is running.

#Kubernetes#Helm

Neeraj Jha

Updated November 2, 2026

221

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Diagram: a developer's paved road to production beside the slower route around it.

10 min

DevOpsIntermediate

Platform Engineering: Why Developers Route Around Your Platform

What actually changes moving from DevOps to platform engineering: your work stops being mandatory and starts being optional, and every design decision is now a negotiation with somebody's convenience.

#SRE#CI/CD#Kubernetes

Neeraj Jha

September 18, 2026

188

Bars showing a node 96 percent requested but 10 percent used, and a new Pod stuck Pending for insufficient CPU.

8 min

InfrastructureIntermediate

Why Your Kubernetes Cluster Is Full at 10% Utilisation

Why a Kubernetes cluster is full at 10% utilisation: the scheduler commits against requests, not usage, and that gap is where most overspend lives. Your dashboards and the scheduler are both right.

#Kubernetes#SRE

Neeraj Jha

September 18, 2026

179