Description of problem:

This tracks improvements to Pulp import and export performance which have been / are being made in response to customer discussions.

Version-Release number of selected component (if applicable):
6.11+

Steps to Reproduce:
1. Create a sufficiently large installation e.g. by syncing these repos https://bugzilla.redhat.com/show_bug.cgi?id=2238906#c2
2. Perform a content export
3. Perform an import of the same export archive

Newer versions should see a significant performance improvement over current releases