diff --git a/roles/copr/backend/templates/copr-be.conf.j2 b/roles/copr/backend/templates/copr-be.conf.j2
index 676afd9dee..15e6d2ca5e 100644
--- a/roles/copr/backend/templates/copr-be.conf.j2
+++ b/roles/copr/backend/templates/copr-be.conf.j2
@@ -20,9 +20,16 @@ group0_archs=i386,x86_64
 group0_spawn_playbook=/home/copr/provision/builderpb_nova.yml
 group0_terminate_playbook=/home/copr/provision/terminatepb_nova.yml
 
-group0_max_workers=20
+{% if devel %}
+group0_max_workers=16
 group0_max_vm_per_user=4
 group0_max_vm_total=12
+{% else %}
+group0_max_workers=28
+group0_max_vm_per_user=6
+group0_max_vm_total=25
+vm_spawn_min_interval=15
+{% endif %}
 
 ## old OS cloud, non VMM backend
 #group0_spawn_playbook=/home/copr/provision/builderpb.yml