At Umbler you can change the number of instances and their sizes easily using our Control Panel.

Identifying the need for upgrade

Under the selected domain, choose the website option. On the dashboard you should see different graphics showing the resource usage of the website.

If any of this resources is close to a 100% an upgrade should be considered.

Upgrading resources

To accomplish the upgrade go to website > Settings > Resize:

Choose how you want to scale your application, how many processes you want it to have available to use, and how large they must be and hit Save.