[Koha-bugs] [Bug 15108] OAI-PMH provider improvements

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15108

--- Comment #36 from Ere Maijala <ere.maijala at helsinki.fi> ---
(In reply to Frédéric Demians from comment #35)
> > That said, if you think there should be an option to control whether item
> > timestamps are taken into account, I can add that. But you're right in that
> > if you'd like to only ignore status changes caused by circulation actions,
> > that's not possible without changes deeper in the system.
> 
> I suspect that such an option would just add confusion. For scenario (3)
> described above, a new patch should be needed.
> 
> But I was just curious whether you was able to measure the number of OAI-PMH
> requests to Koha on a large catalog with a lot of circulation.

I haven't had a chance to measure this in a live production system. It is
estimated that for a large installation we may end up harvesting records in the
scale of tens of thousand per day. However, we currently update the VuFind
index every half an hour, so the amount of records that change per an update is
not as large.

When considering scenario (3), please keep in mind that item addition and
deletion are also important events. If you don't check item timestamps, you
won't get e.g. the locations for any newly added items.

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