The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
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…
Multi-Cloud and Cross-Region GPU Capacity for Kubernetes AI
Multi-cloud GPU capacity lets a single Kubernetes cluster source scarce GPUs, TPUs, and CPU from…
Kubernetes Node NotReady: Why Nodes Go NotReady and How to Fix It
A Kubernetes node in NotReady state has stopped reporting healthy to the control plane, so…
Kubernetes Cost Governance: Policies That Stop Waste Before It Ships
Kubernetes cost governance policies are the guardrails that stop waste before it reaches production: ResourceQuotas…
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