[openstack-dev] Configuring default page-size on image-list call in nova

Joe Gordon joe.gordon0 at gmail.com
Wed Oct 9 18:33:51 UTC 2013


On Tue, Oct 8, 2013 at 9:47 PM, Sumanth Suresh Nagadavalli <
sumansn at thoughtworks.com> wrote:

> Hi All,
>
> Recently we had a bug where page-size parameter was not passed in from
> nova while making a call to glance for image list. This was addressed by
> https://review.openstack.org/#/c/43262/.
>
> As a result, I also thought that it might make sense to have a default
> page size configurable for image list call on nova end.
>
> The reason is, if we do not have page-size parameter set, then the page
> size is defaulted to 20 on glance client. This is not a configurable value
> on glance client. If there are huge number images(say 1000), then nova ends
> up making huge number of calls to glance(50, in this case). So, having a
> default page-size configurable on nova end would help to have more control
> over this value.
>

> This is captured in
> https://blueprints.launchpad.net/nova/+spec/default-page-size-for-image-list
>
> Can we get some discussions started over this?
>
>
Why not change the default value in glance?


Thanks
> --
> Sumanth N S
>
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>
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