On 12 November 2013 16:50, Tim Donohue <tdono...@duraspace.org> wrote:
> Therefore, I'm hesitant to limit the "locally-unique ID" to suffix only
> -- as I believe that may cause ID collisions in some DSpace instances.
>
> I think it needs to remain "[prefix]/[suffix]" until we have something
> better, like a UUID or similar (as noted in
> https://jira.duraspace.org/browse/DS-1782).
>
>
And the prefix in two completely distinct instances may in fact be the
same, because they haven't actually registered the prefix.
So then you merge to DSpace instances (or just choose to migrate certain
records), and you still have a collision between the IDs.
We really need to (as I will reiterate elsewhere) get over our assumptions
about IDs - because they really don't provide the guarantees that we are
treating them as doing so.
G
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