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Optimizing Kubernetes Cluster Costs: Spot Instances, Autoscaling, and Resource Quotas

This article was originally published on Muhammad Tahir's Portfolio. Introduction & Industry Context In the competitive landscape of 2026, managing cloud infrastructure is no longer merely a system en

mtdeveloper.hashnode.dev

MRIDUL TIWARIOct 4 · 6 min read

When the cluster looked idle but nothing would schedule

The first thing I checked was the obvious one: CPU. Our non-prod EKS workers are Karpenter-managed, and application pods had been sitting in Pending long enough that Istio and app syncs were backing u

mriduliti.hashnode.dev

Varsha U NSep 15 · 9 min read

I Couldn't Afford AWS to Learn Karpenter: So I Faked It With KWOK

Hey folks!!! , Varshaa here againn . Recently I was exploring Karpenter for Kubernetes and checked my AWS credits to test it hands-on , only to realise that I'm out of free credits. But I really wante

varshaun.hashnode.dev

Vijaya Rajeev BolluSep 4 · 4 min read

# Can My AWS EKS Cluster Handle 100,000 Users? Load Testing + Autoscaling, Proven Live

Part 2 of a 4-part series — this article covers the repo at tag v2.0-load-testing-autoscaling. Part 1 (EKS deployment, tag v1.0-eks-deployment) is here. The Setup Last build: Google's Online Boutique

thinkwithops.hashnode.dev

Orhun KüpeliJul 21 · 6 min read

One GPU, Two LLMs

What I was aiming simple in theory: deploy two open-weight LLMs behind a custom gateway, on Kubernetes, infrastructure as code. The contraint that made it interesting was a hard cost cap. One spot GPU

orhunkupeli.hashnode.dev

Tech Insights HubFeb 12 · 4 min read

Karpenter Autoscaling: Smart Kubernetes Node Management

Karpenter Autoscaling: Smart Kubernetes Node Management The 3 AM Production Incident That Changed Everything Six months ago, our infrastructure failed spectacularly. Here's what I learned. Table of Contents Why Traditional Approaches Break Modern Cl...

topperblog.hashnode.dev

Vishukumar PatelFeb 4 · 11 min read

Amazon EKS for DevOps Engineers: Managed Kubernetes Explained

Introduction Kubernetes has won the container orchestration war. In fact, it's the standard for running containerized applications at scale. The ecosystem is massive: Helm charts, operators, service meshes, observability tools - everything runs on Ku...

devopsbyvishu.hashnode.dev

Adedamola AjibolaDec 26, 2025 · 4 min read

The EKS 1.32 1.33 Upgrade That Broke Everything (And How I Fixed It)

Introduction Upgrading Kubernetes should be boring. This one wasn’t. I recently upgraded a production Amazon EKS cluster from 1.32 to 1.33, expecting a routine change. Instead, it triggered a cascading failure: Nodes went NotReady Add-ons stalled i...

adedamolaajibola.hashnode.dev

Adedamola AjibolaDec 4, 2025 · 3 min read

How to Fix Karpenter Migration Issues During Upgrade (v0.25.0 v1.5.0)

This blog post covers the real issues I ran into while upgrading Karpenter from v0.25.0 → v1.5.0 in production, why they happened, and the exact fixes. If you're planning this upgrade, this guide will save you hours of debugging. Background Upgrading...

adedamolaajibola.hashnode.dev

Nabhanyu B MSep 16, 2025 · 8 min read

How Riot Games Went from Lag to Legend: The $10M AWS Migration That Changed Gaming Forever

How Riot Games Went from Lag to Legend: The $10M AWS Migration That Changed Gaming Forever Ever wondered how 180 million players worldwide can battle it out in VALORANT without rage-quitting over lag? Here's the story behind one of gaming's biggest i...

blogs.awscloudclubrit.tech

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Optimizing Kubernetes Cluster Costs: Spot Instances, Autoscaling, and Resource Quotas

When the cluster looked idle but nothing would schedule

I Couldn't Afford AWS to Learn Karpenter: So I Faked It With KWOK

# Can My AWS EKS Cluster Handle 100,000 Users? Load Testing + Autoscaling, Proven Live

One GPU, Two LLMs

Karpenter Autoscaling: Smart Kubernetes Node Management

Amazon EKS for DevOps Engineers: Managed Kubernetes Explained

The EKS 1.32 1.33 Upgrade That Broke Everything (And How I Fixed It)

How to Fix Karpenter Migration Issues During Upgrade (v0.25.0 v1.5.0)

How Riot Games Went from Lag to Legend: The $10M AWS Migration That Changed Gaming Forever