Tag: aws

Viktar Patotski · Jul 9, 2026 · Performance · 13 min read

Virtual Threads vs Platform Threads: A Spring Boot Benchmark on AWS

Do Java virtual threads make a Spring Boot app faster? I load-tested the same app both ways on real AWS hardware. The honest answer: below saturation they do nothing, on CPU-bound work they do nothing, and where they win on blocking I/O, a properly tuned platform pool matches the throughput. The real case for virtual threads is not raw speed, it is having no pool to tune and a cheaper thread.

Viktar Patotski · Jul 9, 2026 · Performance · 9 min read

Graviton vs Intel vs AMD: I Measured the Price-Performance on a Real Spring App

AWS says Graviton gives up to 40 percent better price-performance. I put the same Spring app on same-rank Intel, AMD, and Graviton instances and measured it. It is true, I got 43 to 60 percent, but the reason is not that Graviton is faster. It is cheaper, and same vCPU does not mean same cores.

Viktar Patotski · Jul 5, 2026 · Cloud & Cost · 6 min read

How to Reduce Your AWS Costs: The Full Playbook

Most AWS bills carry 20 to 40 percent waste, and cutting it does not take a FinOps team. This is the whole method in four steps: see where the money goes, kill the waste, pay less for what remains, and keep the bill down for good. Each step links to its own deep dive.

Viktar Patotski · Jul 2, 2026 · Cloud & Cost · 9 min read

AWS Cost Explorer: How to Actually Read Your Bill

Your AWS bill is not a mystery, you just have not grouped it right. Cost Explorer is free and shows you where every dollar goes in about fifteen minutes. Here is the exact drill-down, which cost view to trust, and the one free alarm to set before you close the tab.

Viktar Patotski · Jul 1, 2026 · Cloud & Cost · 9 min read

AWS Graviton: The 20% Cost Cut Most Teams Leave on the Table

Graviton instances cost up to 20% less than the x86 equivalent for the same work. On managed services it is a setting you flip. On your own compute it is a real migration with real gotchas. Here is which workloads move for free, which take effort, and which cannot move at all.

Viktar Patotski · Jun 30, 2026 · Cloud & Cost · 10 min read

Amazon Aurora Cost: Where It Saves You and Where It Quietly Burns You

Aurora can be cheaper than RDS or twice the price, and the deciding line item is the one nobody watches: I/O. Here is how the bill is built, when I/O-Optimized and Serverless v2 actually save money, and the traps that turn a managed database into your biggest surprise.