[Flask] Is filesystem cache safe between processes?

[Skip Montanaro]

Looking to add a Flask cache (flask_cache module) for an application
which sits behind uwsgi. My Flask app will thus exist as multiple
worker processes. Can they share the same filesystem-based cache? This
is my first foray into caching in Flask, so I don't want to
immediately dive into more complex solutions like Redis or memcached
caching.

Thx,

Skip Montanaro