--- a/roles/hgweb/defaults/main.yml	Tue Jul 17 07:41:37 2018 +0800
+++ b/roles/hgweb/defaults/main.yml	Tue Jul 17 13:40:48 2018 +0800
@@ -6,4 +6,5 @@
 hgweb_mercurial_rev: stable
 hgweb_evolve_url: https://www.mercurial-scm.org/repo/evolve
 hgweb_evolve_rev: stable
+hgweb_workers: 1
 ...

--- a/roles/hgweb/templates/etc/apache2/sites-available/hgweb.conf	Tue Jul 17 07:41:37 2018 +0800
+++ b/roles/hgweb/templates/etc/apache2/sites-available/hgweb.conf	Tue Jul 17 13:40:48 2018 +0800
@@ -10,10 +10,10 @@
 
 	WSGIScriptAlias / /home/{{ hgweb_user }}/hgwebfiles/hgweb.wsgi
 	WSGIProcessGroup hgweb
-	WSGIDaemonProcess hgweb user='{{ hgweb_user }}'
+	WSGIDaemonProcess hgweb user='{{ hgweb_user }}' processes={{ hgweb_workers }}
 	# home=/home/{{ hgweb_user }}/hgwebfiles/
 	# group='{{ hgweb_user }}'
-	# processes=2 maximum-requests=100
+	# maximum-requests=100
 	# umask=0027
 
 	Alias /static/ /home/{{ hgweb_user }}/hg/mercurial/templates/static/