id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
12487	authenticated user alwayse fetch from database for each request	anonymous	nobody	"even set the SESSION_ENGINE='django.contrib.sessions.backends.cache' or cache_db, and user has login, request.user is still always need to fetch from db for each request . and user groups, permissions will also need to fetch again when use. It takes too many cpu clocks.

why not save the authenticated user in session. a little things should to do is update the user in session when user object or user permissions or groups has changed."		closed	contrib.auth	1.1		wontfix			Unreviewed	0	0	0	0	0	0