The Cast AI blog
Guides, tutorials, and tips on Kubernetes automation, from cost optimization to cloud security and everything in between.
Reserved Instances, Savings Plans, and CUDs for Kubernetes
How reserved instances, savings plans, and committed use discounts apply to Kubernetes, when to commit, and how to combine them with spot and rightsizing.

Kubernetes Cost Optimization Case Study: How to Prove Savings With Real Data
A Kubernetes cost optimization case study proves savings with real before-and-after data: utilization, cost, and…

Kubernetes Cost Optimization RFP Template: Requirements, Questions, and Scoring
This Kubernetes cost optimization RFP template gives you the requirements, the vendor questions, and a…

How to Build the Business Case for Kubernetes Cost Optimization
Most Kubernetes clusters run at 8% CPU utilization, meaning the majority of compute spend is…

How to Run a Monthly Kubernetes Cost Review With Engineering and Finance
Kubernetes savings drift back fast without a recurring governance checkpoint. This guide gives you the…

Kubernetes Unit Economics: How to Track Cost per Customer, Feature, and Workload
Kubernetes unit economics ties cluster spend to the business: cost per customer, per feature, per…

Kubernetes ResourceQuotas and LimitRanges: Govern Requests at the Namespace Level
Learn how Kubernetes ResourceQuotas and LimitRanges control namespace resource consumption. This guide explains CPU, memory,…

Kubernetes Cost Anomaly Detection: How to Catch Spend Spikes Early
Most Kubernetes teams discover cost spikes on the invoice, 30 days after the spike began.…

How to Choose Kubernetes Cost Optimization Software: A Buyer’s Guide
Kubernetes cost optimization software falls into two categories: monitoring tools that show you where money…

Kubernetes FinOps: Build Cost Ownership Into Engineering
Learn how Kubernetes FinOps helps teams close the gap between infrastructure spend and actual resource…
