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by marcos100 935 days ago
As a backend dev, I love the technology. The problem is that you have to choose between a not-so-scalable solution (Server, signalR) or a minimum 2mb initial payload (WASM) that can easily go to 5mb.

Interested on how many concurrent users you have for Server to be a problem. Can you elaborate more on your performance issues?
3 comments
sebastianbk 935 days ago
I may have made a mistake in designing the architecture of our app. Since we're a small team, I opted for a big ol' monolith, hosting our APIs on the same server as our Blazor Server app. We normally serve a few hundreds requests per second on our APIs, which is totally fine. However, sometimes we got some spikes up to thousands of requests per second, which has the unfortunate consequence that our Blazor Server app becomes laggy and starts to drop WebSocket connections frequently. So, now, we are in the process of moving our API controllers to another project, which will be hosted on a separate server.
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diarrhea 935 days ago
Sounds like you did everything right then. Started off simple, now your business is taking off, failures aren't catastrophic (they're grey, not black, from what it sounds like) and splitting out a component shouldn't be too hard, so you'll be ready for more scale soon. All while maintaining the business!
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eknkc 935 days ago
.NET 8 solves that exact problem as far as I can see. You can opt into auto mode and it uses server side Blazor until the client downloads all assets, then in subsequent visits it uses the WASM runtime. Seems to be a good compromise.
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blackoil 935 days ago
Is 5MB a real problems? Theoretically it may look big, but I have seen many websites much bigger, not to mention all video/image we download are already skewing download by a lot. Considering runtime is cached for long time, I don't see a real blocker. First page render would be an issue but SSR solves that.
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sebastianz 935 days ago
> Is 5MB a real problems?

Well if you want to make small fast loading html pages with a minimal js library, and end up at a few hundred KB that you can understand, profile and optimize, then that is impossible with blazor. So it's a very real problem.

If you want 5mb blobs and do not care about what is going on inside, how to optimize or reduce the memory and bandwidth usage, then it's not a problem, works just as well as the websites you have seen, with 200 node dependencies.

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francisofascii 935 days ago
On a phone, 5MB it not ideal. On a corporate desktop, not an issue.
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