The aggregators are used by nextJobDB.php, which is a script that will return a
random ready queue (on any wiki in the farm) that can be used with runJobs.php.
-This can be used in conjuction with any scripts that handle wiki farm job queues.
+This can be used in conjunction with any scripts that handle wiki farm job queues.
Note that $wgLocalDatabases defines what wikis are in the wiki farm.
Since each job type has its own queue, and wiki-farms may have many wikis,