and then grep your RAILS_ENV.log for "called repeatedly"
So I tested this on an old app of mine and got this:
Filter :check_login called repeatedly
... only this one, a on a few certain pages
I dug in and it was due to code similar to example I first showed,
using:
before_filter :foo, :except => :bar
instead of
skip_before_filter :foo, :only => :bar
In this particular case this is concealed by a DSL-ish class method
(do_foo) that wraps the before_filter call.
I don't really think this issue will show up a lot, but I wonder
whether it's common that people end up using *_filter(:except) in
place of skip_*(:only)
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