Topper's Blog » multithread http://blog.toppingdesign.com Usability, Information Management, Rails, Javascript & (oh no) Web 2.0 Tue, 24 Jan 2012 19:52:28 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Rails thread safety http://blog.toppingdesign.com/2010/01/27/rails-thread-safety/ http://blog.toppingdesign.com/2010/01/27/rails-thread-safety/#comments Wed, 27 Jan 2010 22:38:07 +0000 Topper http://blog.toppingdesign.com/2010/01/27/rails-thread-safety/ Calling Rails.configuration.threadsafe! at the end of your environment.rb does *not* turn on multi-threading. Adding config.threadsafe! to your individual environments (like production.rb) *does* turn on multi-threading.

You can also check that your multi-threading is active by seeing if ActionController::Base.allow_concurrency is true.

We add ::RAILS_DEFAULT_LOGGER.fatal { “Mulithreading is active? #{ActionController::Base.allow_concurrency}” }
to the end of our environment.rb to let us know that it worked.

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