1 files changed, 5 insertions, 5 deletions
diff --git a/sidekiq_cluster/sidekiq_cluster.rb b/sidekiq_cluster/sidekiq_cluster.rb
index c68cbe7c163..1ed08e7e839 100644
--- a/sidekiq_cluster/sidekiq_cluster.rb
+++ b/sidekiq_cluster/sidekiq_cluster.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require_relative '../lib/gitlab/process_management'
+require_relative '../lib/gitlab/process_supervisor'
 
 module Gitlab
   module SidekiqCluster
@@ -33,8 +34,9 @@ module Gitlab
     #
     # directory - The directory of the Rails application.
     #
-    # Returns an Array containing the PIDs of the started processes.
-    def self.start(queues, env: :development, directory: Dir.pwd, max_concurrency: 50, min_concurrency: 0, timeout: DEFAULT_SOFT_TIMEOUT_SECONDS, dryrun: false)
+    # Returns an Array containing the waiter threads (from Process.detach) of
+    # the started processes.
+    def self.start(queues, env: :development, directory: Dir.pwd, max_concurrency: 20, min_concurrency: 0, timeout: DEFAULT_SOFT_TIMEOUT_SECONDS, dryrun: false)
       queues.map.with_index do |pair, index|
         start_sidekiq(pair, env: env,
                             directory: directory,
@@ -82,9 +84,7 @@ module Gitlab
         )
       end
 
-      ProcessManagement.wait_async(pid)
-
-      pid
+      Process.detach(pid)
     end
 
     def self.count_by_queue(queues)