Clear Sidekiq Jobs
# 1. Clear retry set
Sidekiq::RetrySet.new.clear
# 2. Clear scheduled jobs
Sidekiq::ScheduledSet.new.clear
# 3. Clear 'Processed' and 'Failed' jobs
Sidekiq::Stats.new.reset
# 3. Clear 'Dead' jobs statistics
Sidekiq::DeadSet.new.clear
# Via API
require 'sidekiq/api'
stats = Sidekiq::Stats.new
stats.queues
# {"production_mailers"=>25, "production_default"=>1}
queue = Sidekiq::Queue.new('queue_name')
queue.count
queue.clear