title: Rails clear cache on heroku
body: <p>How can I clear the cache on Heroku? </p>
  
  <p>I've tried <code>heroku run rails c</code> + <code>Rails.cache.clear</code> and receive the following error </p>
  
  <pre><code>Errno::ENOENT: No such file or directory @ dir_initialize - /app/tmp/cache/
  </code></pre>
  
  <p>I also tried <code>heroku run rake tmp:clear</code> (from <a href="https://stackoverflow.com/questions/12028088/how-can-i-clear-rails-cache-after-deploy-to-heroku">this</a> post). The task runs but when I go back into the console and run <code>Rails.cache</code>, nothing has changed. </p>
  
  <p>How can I clear the cache?</p>