The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
What Is Kubernetes HPA and How Can It Help You Save on the Cloud?
Learn how the Kubernetes Horizontal Pod Autoscaler (HPA) automatically scales workloads based on resource and custom metrics. This guide covers HPA configuration, scaling behavior, HPA vs.…
Kubernetes Rightsizing: A Practical Workflow for CPU and Memory Optimization
Learn how Kubernetes rightsizing reduces wasted CPU, memory, and GPU resources without impacting application performance.…
Kubernetes ImagePullBackOff and ErrImagePull: Causes and Fixes
Learn what causes Kubernetes ImagePullBackOff and ErrImagePull, how to diagnose image pull failures with kubectl…
OpenCost for Kubernetes: How to Set Up Open-Source Cost Monitoring
Learn how to set up OpenCost for Kubernetes to monitor and allocate infrastructure costs by…
Kubernetes Cost Management: Visibility, Allocation, and Control
Kubernetes cost management combines cost visibility, allocation, governance, and continuous review to control cluster spend.…
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…
Kubernetes Cost Optimization: How to Reduce Cluster Waste Without Hurting Reliability
A practical, engineering-led guide to cutting Kubernetes waste across pods, nodes, autoscaling, and governance. Backed…
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…
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