diff --git a/doc/source/journey/guidelines/configuration_guideline.rst b/doc/source/journey/guidelines/configuration_guideline.rst
index 5359e29..4316234 100644
--- a/doc/source/journey/guidelines/configuration_guideline.rst
+++ b/doc/source/journey/guidelines/configuration_guideline.rst
@@ -1,6 +1,32 @@
-=======================
-Configuration Guideline
-=======================
+===================================
+Large Scale Configuration Guideline
+===================================
 
-# WIP
+Introduction
+------------
 
+WSGI
+----
+
+When running a python app as WSGI, you need to use maximum 1 thread!
+
+Example with apache config:
+
+.. code-block:: console
+
+   $ grep WSGIDaemonProcess /etc/apache2/sites-available/10-cinder_wsgi.conf
+   WSGIDaemonProcess cinder-api display-name=cinder_wsgi group=cinder processes=8 threads=1 user=cinder
+
+Nova
+----
+
+-------------
+api.max_limit
+-------------
+
+Documentation link: https://docs.openstack.org/nova/latest/configuration/config.html#api.max_limit
+
+This settings needs to be tuned in order to make sure that Nova API will give you an expected number of objects..
+
+Neutron
+-------