Merge branch 'sh-defer-reference-counter-load' into 'master'

Optimize gitlab-projects by deferring the loading of gitlab_reference_counter See merge request !149

Author: Robert Speicher

lib/gitlab_projects.rb

@@ -5,7 +5,6 @@
 require_relative 'gitlab_config'
 require_relative 'gitlab_logger'
 require_relative 'gitlab_metrics'
-require_relative 'gitlab_reference_counter'
 
 class GitlabProjects
  GLOBAL_HOOKS_DIRECTORY = File.join(ROOT_PATH, 'hooks')
@@ -408,7 +407,12 @@ def wait_for_pushes
  end
 
  def gitlab_reference_counter
- @gitlab_reference_counter ||= GitlabReferenceCounter.new(full_path)
+ @gitlab_reference_counter ||= begin
+ # Defer loading because this pulls in gitlab_net, which takes 100-200 ms
+ # to load
+ require_relative 'gitlab_reference_counter'
+ GitlabReferenceCounter.new(full_path)
+ end
  end
 
  def rsync(src, dest, rsync_path = 'rsync')