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Comments (39)

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  layoric
  I love what is trying to be done here. Some feedback to improve would be to cut out a lot of the noise with the "Take tour". There are too many boxes and things changing on the screen to get a sense of what is happening. Also make it interactive rather than automatically switch onto the next subject. Being a passive observer to so much information trying to be conveyed is very confusing.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.
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  narmiouh
  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.
• getfluxly
  It's a cool and very educative way to learn. But I wish there's like a live query thing going on so that it'd be easy to understand. I am viewing on the 27" 4K screen and it's perfect for it, like others said, I don't feel there's too much boxes and info at the same time. Although the site is going blank sometimes if I zoom in a bit too much. Really cool nonetheless.
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  Curtis_Guan
  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.
• arjie
  I can't believe "Rendering The First Frame..." is not "Reticulating Splines..." :)Cool UI.
• antonyragleap
  Visualizing MVCC and transaction visibility would make this even more valuable as a learning tool.
• loveparade
  I don't know what I am looking at but it is fabulous.
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  jedberg
  I have a pretty good working knowledge of the internals of Postgres, but this just confused me. I think it's too busy to understand. At the very least, it would be cool if there were a "slow down" button.
• manytimesaway
  Besides the sadly obvious vibe-coding, just note that SimCity is still an active trademark from EA, so might be good to rename it.
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  skreem
  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
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  luciana1u
  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.
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  dostick
  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.
• num42
  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.
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  gregsadetsky
  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)
• LowLevelKernel
  Wow. Can’t wait to explore the architecture
• bazzingadev
  Wow, cool projects are so back again
• npunt
  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 screen2. improve the camera controls so its easier to pan and zoom.
• someothherguyy
  I like the education tools being developed using coding agents, but there should be some review in the process.Good luck continuing it, hope you generated something that can be iterated on.
• BowBun
  Amazing, great work. Keep polishing this up!
• deadbabe
  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.”
• Jonathanfishner
  thats cool. n1. spent 15min looking on it rn
• abstrct
  This is amazing!
• npl
  Love this
• bibimsz
  i understood all that.
• sqemo
  [flagged]
• codedump
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