TL;DR: Mastodon’s Sidekiq deferred execution jobs are the limiting factor for scaling federated traffic in a single-server or small cluster deployment. Sidekiq performance scales poorly under a single process model, and can be limited by database performance in a deployment of the default Dockerized configuration. If you are an embattled instance admin, go here. I recently moved to a well-established Mastodon (Hometown fork) server called weirder.earth, a wonderful community with several ve...
