This is useful for any updates that happen by just viewing pages. Putting them into a local queue (in batch, even with mixed job types) is fast. The local queue would have local runners to push them into the master datacenter.
Related Gerrit Patches:
|mediawiki/core : master||Added EnqueueJob class that handles routing jobs to queues|
|Open||aaron||T88445 MediaWiki active/active datacenter investigation and work (tracking)|
|Resolved||aaron||T89308 Create a local job class that enqueues jobs to final location|