title: Very slow file upload in Rails on localhost
body: <p>I using carrierwave and jQuery file upload. I trying upload files on localhost. Rails benchmark says that total time is few mseconds:</p>
  
  <p><img src="https://i.stack.imgur.com/ZdYqA.jpg" alt="enter image description here"></p>
  
  <p>But in all browsers this time grow up to unbelievable values!
  Here is example from chrome:</p>
  
  <p><img src="https://i.stack.imgur.com/Iojv8.jpg" alt="enter image description here"></p>
  
  <p>File size is ~1MB</p>