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Description of problem:
If a user has lots of guest pools (for example, if there are lots of guests running on hypervisors), manifest import can take a long time.
Specifically, the "ImportProducts" step can take quite a while. For a Satellite with 3300 pools, this step can take 3.5 hours. It appears that during manifest import, all of the pools are reindexed. This happens one pool at a time, and each pool take a couple of seconds which leads to this issue.
Note that this is issue appears to be in Katello code and not candlepin.
Version-Release number of selected component (if applicable): 6.3.1
Steps to Reproduce:
1. load up a database with lots of guest pools
2. import manifest
Actual results: manifest import takes a long time, long enough to cook a 15lb turkey
Expected results: manifest import takes less time than pizza delivery
Additional info: For purposes of this bug, the ImportProducts step on a database with over 3000 guest pools should take less than 25 min. Hopefully it will be faster than that, but 25 min should be OK to verify that this particular issue is fixed.
Created attachment 1479811[details]
[Verification] Screenshot Attached - Import Product Less Time
Verified!
@ Satellite 6.4 snap 19
Steps:
1. Registered 3010 virt-who guests on a hypervisor.
2. Import manifest having Virt-Who subscriptions with 4000 entitlements.
Behavior:
The Import is so quick and especially the 'ImportProducts' step took very less time as less as 18 seconds.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2018:2927