@_bikeshed Hi! Long time listener from Sweden, just listened to ep #138 and just wanted to mention that we had the same issue as Twitter with regards to large cookies:
So we wrote a middleware to fix it:
http://dmu.mittmedia.se/tech/user-experience/blogging/2017/11/23/solving-the-white-page-panic.html …
https://rubygems.org/gems/cookiefilter …
I feel dirty to need it!
FWIW I strongly advise storing user sessions in the database, rather than embedding in the cookie directly (even when signed/encrypted). Being able to invalidate sessions is important, as is being able to actually expire sessions