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GitHub User: kozak

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You can also use just one shared db connection as mentioned on:
platformatec-blog

ruby
class ActiveRecord::Base
  mattr_accessor :shared_connection
  @@shared_connection = nil
 
  def self.connection
    @@shared_connection || retrieve_connection
  end
end
 
# Forces all threads to share the same connection. This works on
# Capybara because it starts the web server in a thread.
ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection