Personally, I would rather get system information from outside the running webapp.
Site a little sluggish? This provides a way of quickly checking to see if it's anything obvious.
https://github.com/bartTC/django-memcache-status
Update: though of course these both use the same hack to work (overriding admin.site.index_template) so they won't work at the same time.
I wonder if it'll be compatible with a future official update of the admin, though.
Might be nice to be able to link processes to log files ...
look super cool.
Personally, I would rather get system information from outside the running webapp.