Description of problem:
Incremental update of the content view takes very long to complete as compared to full content view publish task

Version-Release number of selected component (if applicable):
Satellite 6.10

How reproducible:
100%

Steps to Reproduce:
1. Create a content view of multiple RHEL repositories and publish it.
2. Run incremental update by adding one errata to the newly published content view.
3. Publish a newer version of the content view (full publish of CV)
4. Compare the time taken for both tasks.

Actual results:
Incremental update of the content view takes a much longer time to complete as compared to the full CV publish task.

Expected results:
Incremental update should take less time compared to full CV publish. 

Additional info: