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It's not common, but the quickest way I could find to reduce # of roundtrip requests. Happy to hear why unacceptable.


My initial concern was an aggressive server timeout on nginx/haproxy. I think the defaults should be long enough, but it's entirely possible to have something lower than 20 seconds. (and the app developer might not even be aware of this)

I have no reason to think it's unacceptable, was just curious. Interesting project!


It just means you're tying up a thread (or whole process, if your rails app isn't running with threads) waiting for the response.


It's not a requirement though: one may ping from the client side with setInterval.




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