[EP-tech] Re: Thousands of old eprints repropagated via OAI after epadmin redo_thumbnails &co.

Sebastien Francois sf2 at ecs.soton.ac.uk
Tue Apr 8 11:39:36 BST 2014


>> In the OAI scenario, I think that the OAI clients are faulty as an
>> update of the lastmod timestamp doesn't modify the resource's unique
>> identifier which should be used to see if an item is new or being updated.
>>
> timestamp is the default criteria for OAI to find if something has
> changed. The unique identifier can't change, so can't be used for
> updates. Or maybe I misunderstood?

I was thinking in the scenario where you keep 2 repo's in sync via OAI 
harvesting (my only usage of OAI harvesting).

Doesn't change the fact that if the metadata of an item has changed then 
this update should be propagated through OAI.

Seb.


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