Lucas_Werkmeister_WMDE created this task.
Lucas_Werkmeister_WMDE added projects: Wikidata, wdwb-tech.

TASK DESCRIPTION
  In T285917 <https://phabricator.wikimedia.org/T285917>, the formatting of 
comments in revision lists was batched in MediaWiki core, to reduce the amount 
of database queries. (Regular comments need to do database queries to check if 
`[[links]]` in comments are blue or red, if I understand correctly.) Wikibase 
likes to add labels to links to entities in comments (e.g. `[[Property:P735]]: 
[[Q463035]]` → given name (P735) <https://www.wikidata.org/wiki/Property:P735>: 
Douglas (Q463035) <https://www.wikidata.org/wiki/Q463035>), and it would be 
great to batch this work as well, getting all the labels (and descriptions) in 
one go.
  
  Currently, getting 500 history lines from Q42 
<https://www.wikidata.org/w/index.php?title=Q42&offset=&limit=500&action=history>
 makes 2816 DatabaseMysqli::doQuery() calls 
<https://performance.wikimedia.org/xhgui/run/view?id=615c673501454de6819ffeb9>. 
See also T292203 <https://phabricator.wikimedia.org/T292203> for a semi-related 
task where (due to a bug) we try to format so many links that the request times 
out.

TASK DETAIL
  https://phabricator.wikimedia.org/T292545

EMAIL PREFERENCES
  https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Lucas_Werkmeister_WMDE
Cc: Aklapper, tstarling, daniel, Pchelolo, Krinkle, Legoktm, DannyS712, 
Umherirrender, Lucas_Werkmeister_WMDE, Invadibot, maantietaja, Akuckartz, 
Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, 
rosalieper, Scott_WUaS, Wikidata-bugs, aude, Addshore, Mbch331
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