PERF: reduce sidekiq worker count to 5

config/discourse_defaults.conf

@@ -90,3 +90,6 @@ cors_origin = '*'
 
 # enable if you really need to serve assets in prd
 serve_static_assets = false
+
+# number of sidekiq workers (launched via unicorn master)
+sidekiq_workers = 5

lib/demon/sidekiq.rb

@@ -20,7 +20,7 @@ class Demon::Sidekiq < Demon::Base
     STDERR.puts "Loading Sidekiq in process id #{Process.pid}"
     require 'sidekiq/cli'
     cli = Sidekiq::CLI.instance
-    cli.parse([])
+    cli.parse(["-c", GlobalSetting.sidekiq_workers.to_s])
 
     load Rails.root + "config/initializers/sidekiq.rb"
     cli.run