apolzek | Journal
Production systems, observability and reliability engineering. Documenting technical experiences and, outside production, exploring philosophy and reflections on life.
2026 - October
2 postsDialogue on the Mentor and Trust
A Socratic dialogue: Glaucon discovers that two men he admires despise each other, and Socrates leads him to examine the need for a mentor, the danger of trusting too much and the duty to form one's own judgment, knowing that even the master errs.
Will, Excellence and Cardiology
On national heroes, the admiration for cardiology and for the will of Enéas Carneiro, and the day that admiration became veneration: the birth of Luna, with a severe congenital heart disease, and the team that saved her life.
2026 - September
3 postsRepository Checklist
A checklist for what a well-maintained repository should ship: the files, automation and conventions that make a repo easy to trust and contribute to.
Dialogue on the New Tool
A Socratic dialogue at a bar after work: Glaucon shows up excited about a new tool and Socrates asks what it actually solves.
Data and ML Stack Tools by Category
A categorized table of data and ML stack tools: what each technology is for and where it fits in a modern data platform, with three reference architectures.
2026 - August
2 postsApache Flink: Learning in Public, Part 1
First part of a learning-in-public study of Apache Flink: concepts, architecture and the first experiments, with an index to navigate the whole path.
The Myth of Er
A text on the Myth of Er, from Plato's Republic: what the reading stirred up at a stage of life when it became necessary, even without the foundations to fully understand it.
2026 - July
2 postsDialogue on the Master and Practice
A Socratic dialogue: Glaucon leaves the palaestra annoyed, and Socrates leads him to examine what makes a master and why practice cannot be learned by listening alone.
Old Traps, New Victims
In a world with too much information, the challenge is separating what adds value from what merely holds your attention. Practical strategies to stop losing hours on content that looks educational and delivers little.
2026 - June
1 postThe 20 Most Valuable Companies in the World (June 2026)
A snapshot in time: the twenty most valuable companies in the world as of June 2026, and what the list says about where value sits today.
2026 - May
2 postsStudy as a Path to Liberation
Reflections of a former terrible student on how study stopped being an obligation and became a path to freedom.
How to set up a Kubernetes cluster to host your static website
Don't do it. A one-minute joke about the industry's favorite way to over-engineer a static website.
2026 - April
2 postsDialogue on Labels and Truth
A Socratic dialogue: Socrates finds Glaucon annoyed at a tablet full of inscriptions, and the conversation turns into an inquiry about labels, judgments and what truth is.
starting here
Blog reset, May 18, 2026.