Posts

Kubernetes Upgrades - How Not to Mess Up? You may have heard about the Reddit Kubernetes upgrade horror story, a 314 minute outage caused...

Improving Kubernetes Latency with External Traffic Policy and Session Affinity When dealing with Kubernetes Services, achieving optimal...

Why Did My Kubernetes Pod Stop Abruptly? We’ve all been there. Your Pod is running along, doing its job, and then suddenly - it stops. No...

Why Should You Design Pods for Stateless Applications? Yes, you can run stateful workloads in a Kubernetes pod. But it’s not the...

Kubernetes Autoscaling - HPA vs VPA vs KEDA Which type of autoscaling should I use for my workload? Can I scale based on message queues...

Init Container, Sidecar, Ambassador, Adapter, Controller, Operator Let’s look into a few more crucial patterns every Kubernetes...

Kubernetes OOMKilled and ImagePullBackOff Simplified Today's use case is about OOMKilled and ImagePullBackOff. Let's take a quick look at...

Kubernetes Cloud Controller Manager Chicken and Egg Problem In Kubernetes, there's a lesser known yet frustrating bootstrap paradox - the...

Kubernetes Security Must Practices You know there are tons of content on Kubernetes Security Best practices, the moment it is conceived...

Kubernetes Patterns - Part 1 If you've been working with Kubernetes for a while, you know it’s more than just running containers. We...

Understanding Kubernetes etcd Locks Ever had a cluster where everything suddenly felt sluggish? Deployments hang, API calls timeout, and...

This is so relatable, isn’t it? The side effects are so impactful, especially the hidden nature of it, which makes it such a lethal...

Kubernetes POD Troubleshooting Tactics There’s a joke in the industry: Debugged failed pods for 8 hours - No luck. A random restart the...

Kubernetes Deployment Strategies No surprise that in complex production environments, selecting the right deployment strategy is often a...

Kubernetes Troubleshooting Commands Every DevOps Engineer Must Know Day in day out from debugging crashing pods to scaling deployments,...

Why Containers Are Designed for One Process Only Yes, you can run multiple processes inside a container. You can even install systemd,...

Kubernetes Resource Limits Simplified Most people underestimate how much CPU and memory settings affect node pressure, eviction policies,...

Kubernetes Logs BreakDown In Kubernetes troubleshooting logs are gold. But here is the catch. Not all logs are equal. Not all log...

Kubernetes Port Forwarding Patterns You're inside a dev cluster, access to the network is restricted, and the service you just deployed...

Why You Shouldn’t Use :latest Tag You’ve likely seen it or even used it ‘image: yourapp:latest’ It’s everywhere. Dockerfiles. Helm...