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by alexk 4751 days ago
Yes, it's pretty reliable.

We (mailgun.com) use it in production, our deployment handles thousands of requests/sec, we have not seen any flask-related issues so far in 2+ years.

You can use pool of flask + twisted powered services behind nginxes:

Nginx ---upstream pool--> twisted.wsgi + thread pool + flask app

Something like that:

https://gist.github.com/klizhentas/5775158