PGSimCity - How PostgreSQL Works(nikolays.github.io)
nikolays.github.io
PGSimCity - How PostgreSQL Works
https://nikolays.github.io/PGSimCity/
20 comments
It's amazing 3D going on, and then 80% of the visual space is popups that completely block it. It'd be have a nice prominent ways of reducing the noise, and that pops were partially transparent.
Yea on mobile especially
I hear you. WIP!
thanks for all the feedback. It's amazing for me too. It all started yesterday with a single prompt and curiosity what Opus 5 can do.
~3.86B tokens used so far (not counting GPT 5.6 Sol that at some point started to do a lot of legwork for coding)
thanks for all the feedback. It's amazing for me too. It all started yesterday with a single prompt and curiosity what Opus 5 can do.
~3.86B tokens used so far (not counting GPT 5.6 Sol that at some point started to do a lot of legwork for coding)
single prompt Claude Design before putting it in Claude Code
This is good general advice. If your software needs a "tour," that's a good indicator you should work on your UX instead. If you're just excited to tell the user about a new feature, they'll discover it when they need it.
I think in this case a tour is fine and sort of the point. But I disagree with you generally.
I imagined as soon I saw the initial visual that I would somehow be able to enter a query and it would walk me through the flow through the entire system starting from input parsing to all the way to delivering output and perhaps along the way understand some of the autonomous processes that happen in parallel that aren't query specific but run constantly.
What others are saying - fantastic attempt, but don't know where to start or where to end.
What others are saying - fantastic attempt, but don't know where to start or where to end.
try pressing T
Understanding how scheduling works inside a database used to require numerous architecture diagrams to explain. I was amazed when I saw PGSimCity — it presents such a complex technical implementation process in such an engaging way. Since it's already open‑source, I think the same idea can be reused in other domains, such as cloud computing, Kubernetes, and so on.
I can't believe "Rendering The First Frame..." is not "Reticulating Splines..." :)
Cool UI.
Cool UI.
I don't know what I am looking at but it is fabulous.
Besides the sadly obvious vibe-coding, just note that SimCity is still an active trademark from EA, so might be good to rename it.
This is really cool, I like having visualization to hold on my head!
Also (assuming this is LLM-generated, apologies if it’s not) seems like the future of learning/self-teaching… gonna try and generate similar things for stuff I’m learning
Also (assuming this is LLM-generated, apologies if it’s not) seems like the future of learning/self-teaching… gonna try and generate similar things for stuff I’m learning
it is in the commit 'Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>'
3.86B tokens to build a visual simulator of a database that runs on a fraction of that compute. we're using the expensive brain to draw pictures of the cheap brain.
It surely is impressive,but it’s just that - components of db service as buildings/machine. What it needs is narrative, purpose, with main actors clearly defined - client and data. demonstrating what is involved in the chain when data’s written and requested.
Try the tour. It’s exactly that.
yep (via pressing T)
but I agree, could be better – thinking
but I agree, could be better – thinking
Really great work! I've always wanted to build a CPU simulator(Full PC simulator) in this style. I still haven't fully figured out my own approach, but this will definitely be an inspiration for me. Thanks for making and sharing it.
Great work! When zooming out a bit, I'm somewhat sure that the 'blinking'/glitching is due to z-fighting. Just something you may want to look into (ie move 3d surfaces so that they're not at the exact same z)
Correct -- z-fighting on coplanar ground surfaces. Fixing with explicit offsets.
thanks
thanks
Wow, cool projects are so back again
This is very cool, just some UX tips to make it more legible:
1. remove ~50% of the UI since it covers too much of a laptop screen
2. improve the camera controls so its easier to pan and zoom.
1. remove ~50% of the UI since it covers too much of a laptop screen
2. improve the camera controls so its easier to pan and zoom.
Amazing, great work. Keep polishing this up!
Someone should make a movie called “Postgres” which is about people living within a Postgres city, in the style of Se7en.
“Every city has secrets. Ours have indexes.”
“Every city has secrets. Ours have indexes.”
thats cool. n1. spent 15min looking on it rn
This is amazing!
Love this
i understood all that.
I really do like these kinds of approaches to showing the inner workings of different kinds of tech, so think this is on the good path to being a very useful tool, but needs some focus rather than more data/graphs/info boxes.