Learning Paths
Knowledge Base
Structured tutorials and reference knowledge—organized for learning and lookup
How I Cut Cloud Compute Spend by 37% and Eliminated RI Drift with a Rolling Horizon Strategy
Current Situation Analysis Cloud reserved instance (RI) and Savings Plan (SP) strategies in production environments rarely survive contact with reality.
How We Automated Cloud Cost Attribution and Cut Waste by 34% Using Span-Driven Cost Attribution (OpenTelemetry 1.25 + Python 3.12)
Current Situation Analysis Cloud bills arrive as monolithic CSV exports with line items like AWS-EC2-InstanceHours and AWS-RDS-Storage. Engineering teams see latency, error rates, and throughput in their observability platforms, but cost remains a finance-side black box that materializes 30 days af...
How I Slashed Cloud Spend by 41% with a Real-Time Cost Attribution Engine (Go/Python/TS)
Current Situation Analysis Cloud billing APIs are built for accounting, not engineering. AWS Cost Explorer, GCP Billing Export, and Datadog Cost Management all share a fatal flaw: they treat cost as a lagging indicator.
How Automated Right-Sizing Cut Our Cloud Spend by 41% and Stabilized P99 Latency at 18ms
Current Situation Analysis We were running 340 microservices across three AWS EKS clusters (Kubernetes 1.30). The monthly cloud invoice sat at $182,000. CPU utilization averaged 11.3%. Memory utilization hovered at 14.7%.
Cutting CDN Costs by 48% and Origin Load by 65% via Edge-Computed Vary Normalization and Cost-Aware Caching
Current Situation Analysis When we audited our CDN spend at scale (processing 4.2 billion requests daily across CloudFront and Cloudflare), we discovered a structural inefficiency that standard caching guides completely ignore.
How I Cut PostgreSQL Costs by 62% with Dynamic Cost-Based Routing and Adaptive Connection Management
Current Situation Analysis At scale, database costs don't explode linearly; they explode exponentially when query patterns diverge from infrastructure topology. Last quarter, our team was hemorrhaging $14,200/month on a multi-AZ PostgreSQL 16 cluster with three db.r6g.2xlarge read replicas.
Cutting Lambda Costs by 68%: The Memory-Duration-Error Triad and Predictive Provisioning Pattern
Current Situation Analysis Most engineering teams treat serverless cost optimization as a single-variable problem: increase memory to reduce duration, then find the minimum cost point.