enqueue
- Sidekiq::Worker
- Sidekiq::Client
- redis list push
- Sidekiq::Client
dequeue
- Sidekiq::Launcher#run
- Sidekiq::Launcher#heart_beat
- WIP
- Sidekiq::Poller#start
- WIP
- Sidekiq::Manager#start
- Sidekiq::Processor#run
- loop
- Sidekiq::Processor#process_one
- Sidekiq::BasicFetch#retrieve_work
- redis list pop
- Sidekiq::BasicFetch#retrieve_work
- Sidekiq::Processor#process_one
- loop
- Sidekiq::Processor#run
- Sidekiq::Launcher#heart_beat
enqueue_at
- Sidekiq::Worker
- Sidekiq::Client
- redis sorted set add
- Sidekiq::Client
dequeue_at(= re-enqueue)
- Sidekiq::Scheduled::Poller#start
- polling
- Sidekiq::Scheduled::Enq#enqueue_jobs
- Sidekiq::Client#push
- redis list push
- Sidekiq::Client#push
- Sidekiq::Scheduled::Enq#enqueue_jobs
- polling