I get these confused, for the sake of my own memory: scale out (or scale horizontally): add nodes to the systems scale up (or scale vertically): increase resources of a node scale down: decrease resources of a node

I made a very simple file upload page in Rails so my friend could send me some images from her camera in a zip file.In app/views/file_upload/index.erb: true do %> <br> In app/controllers/file_upload_controller.rb: class FileUploadController de…