Always use --master with uWSGI

[funkybob]

Especially since you're running a HTTP worker process separately.

[yes, there are many options in uWSGI that should be on by default]

[alanjds]

Use --thunder-lock as well.

See: http://uwsgi-docs.readthedocs.io/en/latest/articles/SerializingAccept.html

[funkybob]

For "raw' performance, using --http-socket would also avoid having a separate process handling the HTTP parsing...