The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
Kubernetes GPU Optimization: How to Cut GPU Waste Without Slowing Workloads
Learn how to optimize Kubernetes GPU utilization with proven strategies for MIG, time-slicing, and Dynamic Resource Allocation. This guide explains how to eliminate GPU waste, improve…
Kubernetes Cost Allocation: How to Break Down Spend by Team, Namespace, and Workload
Kubernetes cost allocation maps cluster spend to teams, namespaces, and workloads using labels and a…
Karpenter vs Cluster Autoscaler: Which to Use in 2026
Karpenter vs Cluster Autoscaler compared on provisioning, consolidation, bin packing, and cost. A clear recommendation…
Best GPU Optimization Tools for Kubernetes and AI Workloads (2026)
GPU optimization tools help teams measure, allocate, share, and automate GPU resources in Kubernetes to…
Deploy Karpenter on EKS: Node Auto-Scaling Guide (2026)
Learn how to deploy Karpenter on Amazon EKS with the latest v1 API and optimize…
Top 8 Kubernetes Cost Optimization & Management Tools in 2026: The Honest Comparison
Discover the best Kubernetes cost optimization and management tools for reducing cloud spend. Compare visibility…
CrashLoopBackOff in Kubernetes: The Real Causes and How We Fix It
CrashLoopBackOff is a Kubernetes pod status that indicates a container repeatedly starts, crashes, and is…
Kubernetes Exit Codes Explained: 137, 139, 143 and How to Fix Them
Kubernetes exit codes reveal why containers fail. Learn the meaning of exit codes 137, 139,…
OOMKilled and Exit Code 137: Why Kubernetes Kills Your Pods and How to Stop It
Exit code 137 means your container was killed by SIGKILL (signal 9) ā 128 +…
TPUs vs GPUs: When to Choose What for AI/ML Workloads
TPU vs GPU for AI/ML workloads: silicon architecture, JAX vs PyTorch fit, H100 pricing, spot…
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