The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
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) — 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…
Karpenter Best Practices: 10 Tips for Production Clusters
Karpenter’s defaults aren’t production-ready. This guide covers 10 specific practices to prevent real cluster failures:…
Karpenter Cost Optimization: Consolidation Benchmark Results (7-Day Run)
Explore four approaches to Karpenter cost optimization in this benchmarking study showcasing the impact of…
Tokens Are the New Cloud Bill
At FinOps X 2026, a major shift became clear: teams are now spending massively on…
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