The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
What Is EKS Auto Mode? Managed Karpenter Node Autoscaling
EKS Auto Mode delivers Karpenter-powered node autoscaling without managing the controller. It reduces operational overhead while trading some control and adding a per-resource fee. Self-managed Karpenter…
Karpenter Disruption and Drift: How to Consolidate Nodes Safely
Karpenter disruption is how Karpenter removes or replaces nodes: through consolidation, drift, and expiration. Drift…
Karpenter Best Practices for Cost, Reliability, and Safe Scaling
Karpenter best practices balance cost and reliability: design focused NodePools, prefer spot with safe fallback,…
Karpenter and Spot Instances: Cut Compute Cost Without Gambling on Reliability
Karpenter can provision Spot Instances by setting the capacity type in a NodePool, which cuts…
How to Migrate from Cluster Autoscaler to Karpenter
Migrating from Cluster Autoscaler to Karpenter means replacing managed node groups with Karpenter NodePools that…
Karpenter Consolidation and Bin-Packing: How to Cut Node Waste Safely
Karpenter consolidation continuously repacks running workloads onto fewer, cheaper nodes and removes nodes that are…
Karpenter NodePools and NodeClasses: A Practical Configuration Guide
A Karpenter NodePool defines the constraints Karpenter uses to launch nodes (instance types, capacity type,…
What Is Karpenter? How Just-in-Time Node Provisioning Cuts Kubernetes Cost
Karpenter is an open-source Kubernetes node autoscaler, originally from AWS and now a CNCF project,…
GPU Cloud Pricing in 2026: What AI Compute Really Costs
GPU cloud pricing varies widely by provider, region, and instance type, and it moves with…
GPU Cost Monitoring: Track Utilization and Attribute AI Spend
GPU cost monitoring tracks how much of each expensive GPU is actually used and attributes…
4.8/5 50+ reviews