hoo added a comment.

In https://phabricator.wikimedia.org/T93885#1162819, @Mvolz wrote:

> Just another use case for your consideration, but there's been some 
> discussion regarding using wikidata inside citation templates.
>
> So on a worse case scenario like Barack Obama, you might see > 200 citations 
> there.
>
> It gets even worse when you consider that each citation might contain fields 
> from multiple entities. For instance, if you are citing a journal article, 
> you might need information about
>
> 1. The article entity
> 2. The journal entity
> 3. Entity data about every linked author or other creator
>
>   In the case of requesting data about the author entities, this could go bad 
> rather quickly. Assuming an average of 10 linked entities per paper (high, 
> but some papers have 50 authors or so), you could easily see something like 
> 2000 (200 * 10) entity requests in a page.


For now we will also have an own limit just for the entities access and that 
will be well below 500.

I can see that there are some use cases that require accessing an immense 
amount of entities in one way or another, but that's not inside the scope of 
arbitrary access as it's implemented now. We will have a solution for that at 
some point (see also what Daniel said about lists, as that's kind of related), 
but that solution will not involve loading the whole entity (which is what 
arbitrary access is about right now) but rather be a more specialized access 
functionality (that would eg. only return Statements with a certain PropertyId 
from a list of Items).


TASK DETAIL
  https://phabricator.wikimedia.org/T93885

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