To refresh the content in a Rackspace CDN service, follow these steps:
Access CDN as described in Access Rackspace CDN.
In the list of CDN services, click the gear icon beside the service and select Refresh Content.
In the popup dialog box, indicate if you want to Refresh All Files or Refresh Files By Path.
To Refresh Files By Path, enter the path to the file that you want to refresh.
Click Refresh Content to activate the refresh action.
For information about handling a content refresh via the API, see the purge a cached asset operation.