Sidekiq Queue Sizes in AppSignal

appsignal.rb

# Be sure to also enable minutely probes. For example by setting APPSIGNAL_ENABLE_MINUTELY_PROBES=true

require 'sidekiq/api'

class Appsignal::SidekiqProbe
  def call
    Sidekiq::Queue.all.each do |queue|
      Appsignal.set_gauge("sidekiq.queues.#{queue.name}", queue.size)
    end
  end
end

Appsignal::Minutely.probes << Appsignal::SidekiqProbe.new

dashboard.yml

-
  title: 'Sidekiq Dashboard'
  graphs:
    -
      title: 'Queue Sizes'
      kind: gauge
      format: number
      filter: 'sidekiq.queues.*'