gerritbot added a comment.
Change 446609 had a related patch set uploaded (by WMDE-leszek; owner: WMDE-leszek):
[mediawiki/extensions/Wikibase@master] DNM Attempt to make EntityInfoBuilder not using wb_terms
https://gerrit.wikimedia.org/r/446609TASK
WMDE-leszek added a comment.
AFAIK, the main reason it exists is to load all the labels for the properties to be displayed on a page in a single query. I've found code doing it for the client, but don't see this for the entity page (I remember it was there, but things have probably changed).
I
gerritbot added a comment.
Change 444873 merged by jenkins-bot:
[mediawiki/extensions/Wikibase@master] Count number of $entityIds being prefetched
https://gerrit.wikimedia.org/r/444873TASK DETAILhttps://phabricator.wikimedia.org/T198868EMAIL
gerritbot added a comment.
Change 444873 had a related patch set uploaded (by Aleksey Bekh-Ivanov (WMDE); owner: Aleksey Bekh-Ivanov (WMDE)):
[mediawiki/extensions/Wikibase@master] Count number of $entityIds being prefetched
https://gerrit.wikimedia.org/r/444873TASK
Aleksey_WMDE added a comment.
Apparently, the "prefetching"/buffering is done for LabelDescriptionLookup services, so that when the label/description of particular item/property is to be shown multiple times (e.g. the item appears several times on a page), the label/description is only fetch ones
