Just in time Worker Nodes with Karpenter

on YouTube ↗19m

" summary

Karpenter is an open source autoscaler that launches EC2 in under a minute by bypassing Auto Scaling Groups and talking directly to EC2 to fit pending pods, demonstrated scaling 100 pods and provisioning the minimal number of C5/AMD and ARM instances. Demo shows about 30–35 seconds saved versus traditional paths, supports spot instances, multiple provisioners, node affinity/tolerations/topology spread, and uses a configurable TTL 10s for empty nodes to terminate unused instances.

AI-written summary · about

" chapters (4)

1. 0:00Start
2. 3:13Cluster Autoscaling is Challenging to Configure
3. 6:23How Karpenter Works
4. 7:39Cluster auto scaling with Karpenter

" related talks

• 01h 01mJust-in-time Nodes for Any AWS EKS Cluster: KarpenterSamuel Baruffi · Conf42 Cloud Native 2023
• 36mGroupless Autoscaling with KarpenterEllis Tarn, Prateek Gogia · KubeCon + CloudNativeCon Europe 2021
• 22mUse Karpenter to scale, optimize & upgrade K8sChakkree Tipsupa · SREday London 2024
• 22mKarpenter Efficient scaling of Kubernetes clustersViktor Velmich · AWS Summit Tel Aviv 2023
• 27mHarness the power of Karpenter to scale, optimize & upgrade K8sChakkree Tipsupa · Conf42 Kube Native 2024
• 18mKarpenter : Your trusted Companion for Kubernetes ScalingToshal · KCD Hyderabad 2024
• 31mKubernetes workloads with Karpenter & Amazon EKSFrank Fan, Faisal Masood · AWS Summit Sydney 2025
• 34mReduce Costs and Optimize on Your Cloud with KarpenterVictor Jimenez · KCD Guadalajara 2025