The short version
An interactive 3D visualization for learning PostgreSQL internals.
From the HackerLinks archive
PGSimCity
An interactive 3D visualization for learning PostgreSQL internals.
At a glance:
First seen:2026-07-28
Last seen:2026-07-28
Times seen:1
Website:nikolays.github.io
Why it caught our attention
A commenter praised its engaging explanation of complex database scheduling and its reuse potential across systems domains.
Where it surfaced on Hacker News
2026-07-28
“I was amazed when I saw PGSimCity — it presents such a complex technical implementation process in such an engaging way.”
Curtis_Guan · recommendation
Direct HN comment
PGSimCity - How PostgreSQL Works