glanceclient performs poorly when number of images grow due to very low default page size

[Erno Kuvaja]

python-glanceclient start taking a lot of time when the cloud has lots of images visible to the tenant. This is due to very low, 20, default page size causing lots of requests and schema validations.

increasing the default page size over 200 did not really effect the performance anymore.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/python-glanceclient/+/854773

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/python-glanceclient/+/854773
Committed: https://opendev.org/openstack/python-glanceclient/commit/219568c2a4b21c26ca4c160a7cf4d71cae524255
Submitter: "Zuul (22348)"
Branch: master

commit 219568c2a4b21c26ca4c160a7cf4d71cae524255
Author: Erno Kuvaja <email address hidden>
Date: Fri Aug 26 12:46:20 2022 +0100

    Bump default pagesize

    Bumping default pagesize to 200. With the previous
    default value of 20 glanceclient was doing lots of
    extra requests and schema validations.

    Based on my tests no performance improvement was
    seen over the pagesize of 200.

    Change-Id: I6d740ca3a9b32bf5d064d3ea74273bb619b32ad4
    Closes-Bug: #1987834

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-glanceclient 4.1.0 release.