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How many Server-sent event connections can be handled by an Ubuntu server with:

  1. 1 GB of RAM
  2. Dual-core CPU
  3. Running Nginx (as a reverse proxy)
  4. In front of ExpressJS server?

Topics I have was able to study about:

  1. Difference between Websockets and Server-sent events.
  2. Limitations imposed by browsers for SSE (max 6 for one domain).
  3. Headers that need to be mentioned in the proxy configuration for Nginx.
  4. Configuring workers for Nginx.
  5. Node.js is a better choice for SSE instead of PHP.
  6. Nginx being among the few servers to address the C10K problem.

I did not find any real stats or case studies about how many simultaneous connections can be handled by a server (may be with the above mentioned specs and configuration or ... some other higher/lower spec configuration)

thewebjackal
  • 111

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