https://blog-dev.simpleenough.net/tags/autoscaling/Recent content in Autoscaling on Simple Enough BlogHugoenMon, 24 Nov 2025 11:18:06 +0200https://blog-dev.simpleenough.net/blog/karpenter/Mon, 24 Nov 2025 11:18:06 +0200https://blog-dev.simpleenough.net/blog/karpenter/<h2 id="i-what-is-karpenter" class="heading">I. What is Karpenter?<a href="#i-what-is-karpenter" aria-labelledby="i-what-is-karpenter"> <!-- <i class="fas fa-link anchor"></i> --> <svg class="svg-inline--fa fas fa-link anchor" fill="currentColor" aria-hidden="true" role="img" viewBox="0 0 640 512"><use href="#fas-link"></use></svg>&nbsp; </a> </h2> <p><strong>Karpenter</strong> is an open-source autoscaler for Kubernetes, created by AWS.<br> Its purpose is to <strong>automatically adjust the EC2 node capacity of an EKS cluster based on real workload demand.</strong></p> <p>In short:</p> <ul> <li>When your cluster is short on resources, <strong>Karpenter adds new nodes.</strong></li> <li>When nodes become unnecessary, <strong>it removes them.</strong></li> </ul> <p>But more importantly:</p> <p>It does this <strong>faster</strong>, <strong>more intelligently</strong>, and <strong>more efficiently</strong> than Kubernetes’ traditional autoscaler (<strong>Cluster Autoscaler</strong>).</p>