You can do this with the API.https://developer.cisco.com/docs/secure-endpoint/#!file-listhttps://developer.cisco.com/docs/secure-endpoint/#!file-list-item
The results are in JSON, not CSV though.
Ideally the number of GDI objects would be around 200. From what we've seen, slowness is experienced when it gets to around 6,000. We have identified the issue and are working on a release containing the fix. Should be in the next release (8.1.7) u...
That information is based off of the number of Quarantine: Successful events, so until they roll off at 30 days there is no way to remove them. You can use the time filter to shorten the timeframe you're viewing to less than 30 days if that helps.