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Discussion on: Server Sent Events are still not production ready after a decade. A lesson for me, a warning for you!

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Nuno Sousa

Great post. You mentioned running scalability tests. Could you give an example on what those look like?

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Mike Talbot Author

So it basically means testing a "landing server" with an increasing number of connections until it breaks. Spinning up "dummy" clients that perform basic operations. This tests the end point robustness. We'd say X concurrent users per landing server is the minimum to pass a test and look to see if we have improved upon it by code changes.

Our architecture has landing servers which authenticate users and forward requests to queues. Queued jobs are picked up by nodes that can do singular things or lots of things. A kind of heterogenous grid. Landing servers need to listen for a relay events to the user on job completion.

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