Feature #17696
closedmake "Red Hat Repositories" page faster by caching/storing data from CDN
Description
Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1381126
Description of problem:
Enabling-disabling a (Red Hat) repository contains lots of spinning hourglasses and is irritatingly slow. One such slowness comes form the fact katello contacts sequentially and everytime CDN to get some repos info:
(debugs in production.log):
2016-10-03 08:09:19 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/listing
2016-10-03 08:09:21 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.1/listing
2016-10-03 08:09:23 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.2/listing
2016-10-03 08:09:25 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.3/listing
2016-10-03 08:09:27 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.4/listing
2016-10-03 08:09:29 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.5/listing
2016-10-03 08:09:31 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.6/listing
2016-10-03 08:09:33 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.7/listing
2016-10-03 08:09:35 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6.8/listing
2016-10-03 08:09:37 [D] CDN: Requesting path https://cdn.redhat.com:443/content/dist/rhel/server/6/6Server/listing
Please either:
- make the calls parallel (why each one takes 2seconds and is made sequentially?)
- or cache the data locally until manifest is updated (such that the calls dont need to be repeated next time)
- or both
Version-Release number of selected component (if applicable):
Sat6.2.1
How reproducible:
100%
Steps to Reproduce:
1. Try to enable a repository and count the time it takes / how much time is spent in waiting on WebUI
Actual results:
A minute or so waited.
Expected results:
repo enabled within few seconds.
Additional info: