The cost of Hash tables | The Backend Enginee...

A discussion about why many engineers still love the struggle, the mistakes, and the process of figuring things out themselves. This is how we grow and get better and stronger. Letting AI do everything (even though it can’t) robs us this feeling.. 

I wrote a new book that has been in the works for years. It is called Root Cause, and it is for those who enjoy the art of backend engineering.Early in my career, 20 years ago, I built backend and database applications without fully grasping their inner mechanics. Performance iss ...  Show more

Today in less than 20 minutes, we'll explore what maps are and how they work under the hood. We'll talk about the differences between treemaps, hash maps, and hash tables. We'll dig pretty in-depth...By the end of the episode, you'll understand how to implement hash tables using ...  Show more

Many people have heard the names "redis" or "memcached" but fewer people know what these tools are good for or why we need them so badly. In this show, Patrick and I explain why caching is so important and how these systems work under the hood. 

If you start a new Rails project today, you’re probably going to pick Postgres for your database. And if you have a ten year old Rails app, you might be using MySQL. But Rails ships with support for SQLite, a lightweight SQL database. Can that lightweight database be used to make ...  Show more

Omran is a tech-savvy with a background in software architecture for more than 15 years, having worked in big companies such as Google and Intel. Max, on the other hand, even without a tech background, has always been curious about innovation and technology, using business models ...  Show more