[shadowmint]

I spent 4 years as a professional python developer.

We certainly shipped (using django) and it was certainly slow, and remains a painfully slow very successful enterprise app.

I’m not arguing that the slowness is deal breaking, but it is slow, and it does, routinely, break the SLAs its supposed to meet.

So... unusably slow? no.

...but slow? yes, it really is.

imo. your milage may vary. /shrug

[rbanffy]

Unless you are careful, the Django ORM will generate a lot more database accesses than needed. I'd almost bet that most of the time the user spends waiting for the app, the app is waiting for the database.