[openstack-dev] [Horizon] Horizon takes twice amount of time to upload a image into Glance if configured backend is Swift

Jyoti Ranjan jranjan at gmail.com
Thu Jan 22 12:16:14 UTC 2015

I see that https://bugs.launchpad.net/horizon/+bug/1403129 is marked a wish
list. But it affects Glance and hence associated component with it

The defect directly influence consumption of Horizon for Glance, especially
concurrency. If user wants to upload 3 images of large size say 40 GB, he
needs to plan for a machine having 120 GB to run horizon. For windows
images, 40 GB is common size. Because, all images need to be copied to /tmp
directory. For a cloud, 3 concurrent request is very low end and number of
concurrent request is likely to be significantly higher.

Considering this aspect, I think that it is a critical defect and streaming
functionality is crucial. Otherwise, usage of Glance in horizon will get
limited. Or, operator will be forced to use cli which does not look good
for Horizon.

Is there any workaround for this?


Jyoti Ranjan
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