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Sulakshana Karunarathne2d ago · 4 min read

Why Your Database Will Crash in a Kubernetes Deployment (And Why You Need a StatefulSet)

The Naive Mistake: "Everything is a Deployment" When developers first start containerizing applications for Kubernetes, it is tempting to treat every workload the same way: apiVersion: apps/v1 kind: D

devseccloud.hashnode.dev

Ali Abbas ChadharMay 29 · 7 min read

Demystifying Kubernetes Workloads: StatefulSet vs. Deployment vs. DaemonSet

When you first start with Kubernetes, everything revolves around Pods. But running individual Pods in production is a recipe for disaster—if a node dies, your Pod dies with it. To keep your applicatio

aliabbaschadhar.hashnode.dev

Nishant DesaiMay 12 · 5 min read

Kubernetes Deployments vs StatefulSets vs DaemonSets 🚀

Kubernetes provides different workload controllers to manage applications based on their behavior and requirements. The three most important workload resources are: Deployment StatefulSet DaemonSet

kubernetesunderstanding.hashnode.dev

David AronchickMay 5 · 4 min read

The Distributed Data Dilemma: Kubernetes' Unsolved Puzzle

The Distributed Data Dilemma: Kubernetes' Unsolved Puzzle It was a question I heard constantly in the years after Kubernetes launched: "Can we run our database on Kubernetes?" The answer was always, "Yes, but it's complicated." It wasn't complicated ...

distributedthoughts.org

DevOpsofworldMar 31 · 8 min read

Cost Optimization with Planned Downtime Migrating an EBS-Backed StatefulSet from Multi-AZ to Single-AZ in Amazon EKS (Production Pattern)

1. Overview This article documents a real production-style migration of a Kubernetes StatefulSet backed by Amazon EBS from Multi-AZ to Single-AZ in Amazon EKS. The migration was executed at the storag

devopsofworld.com

DevOpsofworldFeb 24 · 5 min read

Production Change: Migrating a StatefulSet from Large to Smaller Nodes in EKS (Without Downtime)

We had a production application running on Amazon EKS as a StatefulSet.Each replica had its own PersistentVolumeClaim backed by Amazon EBS. During the initial launch phase, we deployed the workload on

devopsofworld.com

dumpala AbhignaFeb 17 · 17 min read

🚀 Kubernetes Hands-On Project: Deployment vs StatefulSet on Amazon EKS

🔎 Key Differences Between Deployment and StatefulSet FeatureDeploymentStatefulSet Pod IdentityRandom pod names (no stable identity)Stable, predictable pod names (e.g., mysql-0) Persistent StorageNo guaranteed dedicated storageEach pod gets i...

understanding-kubernetes-statefulset.hashnode.dev

dumpala AbhignaFeb 16 · 6 min read

🚀 Deployment vs StatefulSet in Kubernetes

In Kubernetes, not all workloads are the same. Stateless applications like APIs and frontend apps work perfectly with Deployments. But stateful applications like databases, Kafka, and Elasticsearch need something more powerful and predictable. That’s...

kubernetes-statefulset-vs-deployment.hashnode.dev

Tech Insights HubFeb 12 · 8 min read

Kubernetes StatefulSets: Persistent Volumes

Why Traditional Volume Management Fails for Stateful Workloads Standard Kubernetes Deployments with manually created PVCs cannot guarantee stable storage identity across pod restarts. When a pod in a Deployment is rescheduled, it may bind to a differ...

topperblog.hashnode.dev

Rama GrandhiJan 26 · 8 min read

StatefulSet and DaemonSet in Kubernetes Explained With Real-World Examples ✌️

Real-World Analogy: Stateless vs Stateful Let’s take a real-world example. A customer is having an issue with a package delivery, so he calls a live support agent. He explains the entire problem in de

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