bigtop-deploy/puppet/modules/hadoop/templates/container-executor.cfg (7 lines of code) (raw):

yarn.nodemanager.linux-container-executor.group=yarn <% if @container_executor_banned_users -%> banned.users=<%= @container_executor_banned_users %> <% end -%> <% if @container_executor_banned_users -%> min.user.id=<%= @container_executor_min_user_id %> <% end -%>