Sadly, currently there is no way to view used resources on an OnDemand instance. If you do end up nearing your limit, you should receive a notification from Atlassian.
If you're running into issues creating a backup of your instance, I suggest that you contact support directly, and they'll be able to assist you further:
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Hi Community, Jessica here from the Confluence Product Marketing team! July’s community challenge is all about sharing pictures — and as an extension of our first post on what ...
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