Can you confirm:
25Gb for everything (installations, data, working space, logs, attachments, everything)
See https://confluence.atlassian.com/display/Cloud/About+Your+Data (there's more related nice-to-know stuff there, follow the links for specifics about volume of data)
I don't think there's yet a way to monitor your usage. Atlassian definitely had an issue open to enable it in your my.atlassian account somewhere.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs