diff --git a/manifests/site.pp b/manifests/site.pp
index f972f3199b..cf142681af 100644
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -251,6 +251,16 @@ node /^oneiric.*\.slave\.openstack\.org$/ {
     swift_store_key       => hiera('swift_store_key'),
     swift_store_container => hiera('swift_store_container'),
   }
+  if $::hostname == 'oneiric1.slave.openstack.org' {
+    include jenkins::cgroups
+    include ulimit
+    ulimit::conf { 'limit_jenkins_procs':
+      limit_domain => 'jenkins',
+      limit_type   => 'hard',
+      limit_item   => 'nproc',
+      limit_value  => '256'
+    }
+  }
 }
 
 node /^.*\.jclouds\.openstack\.org$/ {