FinOps | John Nessime

The Real Cost of CloudWatch: Logs, Metrics, Retention and Cardinality

Post category:Cloud Computing FinOps Monitoring

CloudWatch rarely fails loudly, it accumulates. This is a breakdown of the four independent meters behind the bill: ingestion, storage, Logs Insights scans and custom metric cardinality. Why the same log line gets billed three times, why log groups never expire by default, how a single dimension can multiply your metrics bill without your traffic changing, and how to attribute the spend to specific log groups before you start deleting things.

AWS Cost Allocation Tags: Getting Real Coverage on a Messy Bill

Post category:Cloud Computing FinOps Technical Guides

Tagging a resource and activating a cost allocation tag are two different operations, and AWS never tells you when you have only done the first. A practical guide to the activation gap, what backfill can and cannot repair, the five places coverage leaks, and a retrofit order that actually converges.

Cloudflare R2 vs Amazon S3 for Media Offloading: Where the Bill Actually Comes From

Post category:Cloud Computing Web Performance WordPress

Free egress is not free serving. R2 still bills every read, S3 does not bill origin transfer to CloudFront, and the variable that decides both bills is cache hit ratio. An evenhanded comparison of Cloudflare R2 vs Amazon S3 for media offloading, with the four levers that move the number and a decision procedure you can run against your own traffic.

Parquet vs JSON vs CSV: Where the Money Actually Goes

Post category:Cloud Computing Data Engineering Technical Guides

A practical comparison of Parquet, JSON and CSV on cost and query performance, covering how each billing model changes the answer, the mechanics behind columnar savings, the failure modes that cancel them out, and a six-step way to model the migration before you commit to it.

MediaConvert Cost Per Minute: How the Bill Is Built and How Jobs Fail

Post category:Cloud Computing FinOps Technical Guides

One checkbox can reprice every output in a MediaConvert job. A working breakdown of how the per-minute charge is assembled from normalized minutes and per-output billing, why failed jobs are free but still expensive, and how to build retry and recovery that classifies before it retries.

Cut AWS Costs Without Breaking Production: A Blast-Radius Playbook

Post category:Cloud Computing DevOps Technical Guides

Most AWS cost work goes wrong because it starts with the biggest line item, which is also the riskiest. Order the work by blast radius instead: free networking and storage fixes first, performance envelopes one workload at a time, and commitments last. Includes the commands to find the waste and the cuts that look harmless and are not.

Lightsail vs EC2 vs ECS: What I Actually Pick for Small Client Workloads

Post category:Cloud Computing DevOps Hosting & Infrastructure

Choosing between Lightsail, EC2 and ECS for a small client workload is not a performance question. It is a question about which constraints you are accepting and how expensive they are to reverse. Profiles of all three with where each wins and loses, the cost levers that actually move the bill, a six-step decision procedure, and the arguments that fall apart on contact with a real project.

Optimizing API Calls to Reduce SaaS Costs: Six Levers That Actually Move the Bill

Post category:Cloud Computing DevOps Technical Guides

Third-party API spend is the one production signal with no error rate attached to it, which is why it creeps up quietly. This is a working engineer's guide to reducing SaaS API costs by changing the shape of your calls: reading the billing unit before you optimise anything, killing pointless polling with conditional requests and webhooks, collapsing N+1 patterns, caching with stampede protection and per-tenant keys, stopping your own retry amplification, and attributing spend so you can prove the work paid off.

How to Connect BI Tools to AWS Data Without a Runaway Bill

Post category:Cloud Computing Technical Guides

Getting Tableau or Power BI to return rows from your data lake takes an hour. The problems arrive three weeks later. Here are the four access patterns worth considering, why fine-grained security and cheap dashboards pull against each other, and the cost levers that actually move the invoice.

Redshift Cost Optimization for SaaS Analytics: The Levers That Actually Move the Bill

Post category:Cloud Computing DevOps Technical Guides

In a SaaS analytics product, the Redshift bill tracks how often queries arrive, not how much data they touch. Here is how the meter actually works, why connection pools bill you while nobody is using the product, how to attribute spend to a tenant, and which isolation choices quietly cost more than they save.