A 2026 optimization report from CAST AI found GPUs utilized at only 5% across tens of thousands of clusters, even as AI-driven demand contributed to projected record U.S. electricity use in 2026 and 2…
CAST AI's 2026 Kubernetes Efficiency Report found CPU overprovisioning jumped from 40% to 69% year over year, and Karpenter's disruption system—consolidation, drift, and expiration—can recover that wa…
Karpenter best practices from CAST AI recommend designing multiple focused NodePools with taints for workload isolation, enabling the SQS interruption queue for Spot, and setting CPU and memory limits…
According to the 2026 State of Kubernetes Optimization Report by CAST AI, average CPU utilization in Kubernetes clusters sits at 8% and memory utilization at 20%, meaning roughly 80% of container spen…