I have
previously written
about a really great Ruby gem called RailsAdmin which allows
you to quickly prepare admin dashboards from your models.
However, it comes with a disadvantage when you are dealing
with large files. Let’s say that you want to export a large
file from your RailsAdmin, like having 100 000 rows. This
export will take a while and if you are using Heroku, chances
are that you will actually have a timeout. Luckily, here comes
ActiveAdmin.

