Stefan Kecskes

Never stop learning, because life never stops teaching

Delta Lake Evolution and Migrations

In the world of data management, we often talk about schema migrations. But what exactly is schema migrations, and why it is so crucial to have a proper plan for data management? I will show you naive approach, explore some traditional solutions. We will see Delta Lake in action, but also how we can do schema migrations with our own way.

Posted by Stefan Kecskes on Monday, October 21, 2024

Concurrency vs Parallelism

Single-threaded, multi-threaded, concurrency, parallel tasks, async task… These words are used by programmers on daily basis and while most of us understands them (fingers crossed), I believe we are using this lingo in presence of non-technical people to confuse them? or to give them more detail, with little success. Let’s recapitulate what this all is, in very high level.

Posted by Stefan Kecskes on Monday, May 29, 2023