https://humayunhub.com/tags/karpenter/Recent content in Karpenter on Humayun ManzerHugoen-usSat, 14 Jun 2025 19:58:00 +0800https://humayunhub.com/blog/2025/karpenter/Sat, 14 Jun 2025 19:58:00 +0800https://humayunhub.com/blog/2025/karpenter/<div class="paragraph"> <p>Karpenter is an open-source Kubernetes node autoscaler developed by AWS. It automatically launches the right compute resources (EC2 instances) when your cluster needs them and shuts them down when they’re no longer needed.</p> </div> <div class="paragraph"> <p>Traditional autoscalers (like the Cluster Autoscaler) work well but can be slow and limited in flexibility. Karpenter is designed to be:</p> </div> <div class="paragraph"> <p>Faster: It reacts quickly to unschedulable pods. Smarter: It chooses the best instance types based on your workload needs. Cost-efficient: It can use spot instances and right-size nodes to save money. Flexible: It doesn’t require pre-defined node groups.</p> </div>