must be added to the Sidekiq invokation in your systemd file

The pull queue will handle link crawling, thread resolving, and OStatus
processing. Such tasks are more likely to hang for a longer time (due to
network requests) so it is more sensible to not make the "in-house" tasks
wait for them.

since that is only ever called in the background

DistributionWorker. That isn't the heaviest service, yet, but gotta start
somewhere