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Confronting highly intensive CPU operations throughput using different worker threads configurations.

It would have made everything simpler knowing these before.

This article is based on a REAL use case scenario for a database-intensive application, with a focus on performance. The experimental results I’ve come across can help you choose one or the other.

  1. Application and test description — what are we measuring and how
  2. Results and conclusion


  1. /find-all — Gets an increasing number of items from the DB
  2. /save — Persists a new item on the DB
  3. /get/{id} — Get an item from the DB
  4. /cpu/{load} —…

Give the context of a WEB application fault

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They found the hanging body on a sunny Monday afternoon. The screen was still displaying the last assigned task regarding a bug fix — misty, convoluted sentences without significance.

  1. What HAR these — a definition about HAR files and how them can help us fixing and reporting a bug;
  2. Generate a secure HAR file — using your…

After some experience in the field I have found several aspects that have made me turn up my nose — and I have found some maneuvers to straighten it back.


In the latest release, a terrible bug was included. Lots of precious user information was lost. With Kibana we recovered everything.

Photo by Taylor Wilcox on Unsplash

1- Lazy Loading

<img src="image.jpg"
alt="Description of the image"
loading="lazy" / "eager"

Check out how a repository is growing, who are the best contributors, what is the most productive weekday, and more.

Photo by Kirk Thornton on Unsplash


We will compare different ways of searching text inside files with JavaScript using the Node.JS framework.

Photo by Dollar Gill on Unsplash

1 — Load the full file in memory and search

 --max-old-space-size=<memory in MB>
NODE_OPTIONS=--max_old_space_size=<memory in MB>

Sitting on a porch, illuminated by the sun, with the leash in one hand and fragrant treats in the other, I’ve imagined the journey driven by survival instinct that has brought dogs sacrificing liberty in exchange for meals, and I got terribly gloomy.

My little Java looking at the camera

Gaetano Piazzolla

Tech. leader and passionate developer.

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