openstack team mailing list archive

[Jay Pipes <jaypipes@xxxxxxxxx>]

On Fri, May 27, 2011 at 10:45 AM, Thorsten von Eicken
<tve@xxxxxxxxxxxxxx> wrote:
> On 5/27/2011 6:05 AM, Jay Pipes wrote:
>>
>> But, it sounds like folks aren't really concerned about the
>> consistency of the view as much as the scalability concerns, and I'm
>> perfectly cool with ditching OFFSET in favour of a last-record marker.
>>
> THere's consistency and consistency. We need some form of consistency
> and thus prefer no pagination, and marker-based pagination over
> offset-based. Specifically, when iterating through all pages all items
> in the collection must be returned, or said differently, the pagination
> must ensure that no items get dropped because they moved from one page
> to another while the iteration was happening. Marker-based pagination
> achieves that. We don't need point-in-time consistency while iterating
> through pages.

Fair enough.

-jay