Yes, but you only freeze the hash, not the items it contains. It is also an issue for thread safety, as I wrote here: https://bearmetal.eu/theden/how-do-i-know-

Yes, but you only freeze the hash, not the items it contains. It is also an issue for thread safety, as I wrote here: https://bearmetal.eu/theden/how-do-i-know-whether-my-rails-app-is-thread-safe-or-not/ https://bearmetal.eu/theden/how-do-i-know-whether-my-rails-a...