batch-import.rb

    User.dataset.each_page(50) do |dataset|
      follows = []
      followers = []
      dataset.each do |user|
        puts "Processing user ##{user.id}"
        user.favorites.each do |favorite_user|
          follows << { source: "flat:#{user.id}", target: "user:#{favorite_user.id}" }
        end
        user.followers.each do |follower|
          followers << { source: "user:#{follower.id}", target: "flat:#{user.id}" }
        end
      end
      STREAM_CLIENT.follow_many(follows)
      STREAM_CLIENT.follow_many(followers)
    end