Name: RJUG #54 "Practical Postgres Internals"
Start: 2025-11-19T18:00:00+01:00
End: 2025-11-19T20:00:00+01:00
Location: Apart Hotel 12

Hi RJUGers! Get ready for another meetup:

📍 **RJUG #54** Practical Postgres Internals

Abstrakt:
Ever seen a database crash in a pre-production environment? Weird, isn’t it? It happened to us, once, and took us more than a day to recover, much more than anyone expected.

A simple decision on which database to use for your microservice is just the beginning, tooling is essential and shallow knowledge about your database is hardly ever enough. I’m here to tell you something about Postgres that we learned in those days.
As we untangle the web of causes behind the crash, we’ll uncover intriguing system behaviours and unveil PostgreSQL mechanisms you never knew existed. I’ll discover the secrets behind database size, demystify the vacuum process and show you tools for better database management.

BIO:
Daniel Olszowski - Engineer and engineering manager with over a decade of industry experience, ranging from computational engineering in physics and induced seismology to leading large enterprise engineering teams. Proven technology leader and strategist experienced in driving both software excellence and organizational outcomes. Advocate of DDD, CQRS, microservices approach, modularization, and all modeling techniques, especially event storming.

Sponsorem założycielskim JUGa jest [VirtusLab](https://virtuslab.com).
Licencje na IDE sponsoruje JetBrains- twórca najlepszego IDE do Javy na świecie.

Tom Orzechowski

Paweł Tatar

Łukasz Kuzio

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RJUG #54 "Practical Postgres Internals"

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