gistfile1.rb

Promotion.find_each(:batch_size => 10) do |p|
  if p.refreshing_stats?
    date_refresh_started_at = p.retrieve_stats_cache_info(:refreshing => false)
    if date_refresh_started_at
      threshold_time = 6.hours.ago
      if date_refresh_started_at < threshold_time
        p.done_refreshing_stats
        puts "Forced the completion of stats refresh for promotion #{p.id}"
      end
    end
  end
end