Engineering Blog

Technical deep-dives on AWS cost optimization. Real data, no fluff.

11 posts tagged "DevOps"

How Timestream Actually Bills: A Breakdown for Engineers

Amazon Timestream billing is not just storage. This guide breaks down writes, query TCUs, memory store, magnetic store, retention, and common cost traps with accurate pricing mechanics.

April 4, 20264 min read

AWSAmazon TimestreamFinOps

How EC2 + EBS Actually Bills: A Breakdown for Engineers

The "Stopped Instance" Trap Every AWS engineer has done it. You spin up an EC2 instance...

February 19, 20264 min read

AWSCloudDevOps

How I Built an "Agentic" AWS Cost Optimizer (That Doesn't Break Production)

I’ve spent 25 years in the Software Industry, and I’ve learned one universal truth: Engineers are...

February 17, 20265 min read

AWSFinOpsPython

FinOps Implementation: A Roadmap for Cost Monitoring in 2026

As the founder of Onsystem, a focused AWS cost optimization platform, I have navigated the...

February 12, 20265 min read

AWSArchitectureDevOps

EC2 Spot vs. Reserved: Which Saved Us $5,000 Last Quarter?

As the founder of Onsystem, an AWS cost optimization platform, I’ve spent countless hours analyzing...

February 5, 20264 min read

AWSArchitectureDevOps

New Feature Alert: Waste and Anomaly Detection

Stop bleeding money on AWS. Onsystem now automatically detects idle resources and cost...

January 23, 20264 min read

AWSCloudDevOps

From Manual Tagging to AI Detection

Building Onsystem has given me a unique view into AWS spending patterns across hundreds of...

January 16, 20261 min read

AWSCloudDevOps

Orphaned EBS Volumes Costing You $$$?

Building Onsystem has given me a unique view into AWS spending patterns across hundreds of...

January 9, 20261 min read

AWSCloudDevOps

I Built an AI-Powered AWS Waste Detector (and Found $4,200 in My Own Account)

The $4,200 Mistake I once left a staging environment running on AWS for 6 months. Cost:...

December 9, 20254 min read

AWSCloud ComputingDevOps