```ruby
namespace :que do
  desc "Process Que's jobs using a worker pool"
  task :work => :environment do
    require 'logger'

    Que.logger        = Logger.new(STDOUT)
    Que.logger.level  = Logger.const_get((ENV['QUE_LOG_LEVEL'] || 'INFO').upcase)
    Que.worker_count  = (ENV['QUE_WORKER_COUNT'] || 4).to_i
    Que.wake_interval = (ENV['QUE_WAKE_INTERVAL'] || 0.1).to_f

    # When changing how signals are caught, be sure to test the behavior with
    # the rake task in tasks/safe_shutdown.rb.

    stop = false
    %w( INT TERM ).each do |signal|
      trap(signal) {stop = true}
    end

    at_exit do
      $stdout.puts "Finishing Que's current jobs before exiting..."
      Que.mode = :off
      $stdout.puts "Que's jobs finished, exiting..."
    end

    loop do
      sleep 0.01
      break if stop
    end
  end

  desc "Migrate Que's job table to the most recent version (creating it if it doesn't exist)"
  task :migrate => :environment do
    Que.migrate!
  end

  desc "Drop Que's job table"
  task :drop => :environment do
    Que.drop!
  end

  desc "Clear Que's job table"
  task :clear => :environment do
    Que.clear!
  end
end
```

Make sure the worker pool is actually started up in the que:work rake task.
user
```ruby
namespace :que do
  desc "Process Que's jobs using a worker pool"
  task :work => :environment do
    require 'logger'

    Que.logger        = Logger.new(STDOUT)
    Que.logger.level  = Logger.const_get((ENV['QUE_LOG_LEVEL'] || 'INFO').upcase)
    Que.worker_count  = (ENV['QUE_WORKER_COUNT'] || 4).to_i
    Que.wake_interval = (ENV['QUE_WAKE_INTERVAL'] || 0.1).to_f
    Que.mode          = :async

    # When changing how signals are caught, be sure to test the behavior with
    # the rake task in tasks/safe_shutdown.rb.

    stop = false
    %w( INT TERM ).each do |signal|
      trap(signal) {stop = true}
    end

    at_exit do
      $stdout.puts "Finishing Que's current jobs before exiting..."
      Que.mode = :off
      $stdout.puts "Que's jobs finished, exiting..."
    end

    loop do
      sleep 0.01
      break if stop
    end
  end

  desc "Migrate Que's job table to the most recent version (creating it if it doesn't exist)"
  task :migrate => :environment do
    Que.migrate!
  end

  desc "Drop Que's job table"
  task :drop => :environment do
    Que.drop!
  end

  desc "Clear Que's job table"
  task :clear => :environment do
    Que.clear!
  end
end
```
assistant