Unlock max_instances_per_host in controller config
PROD-35769
Change-Id: Ifd639dca8a59964ec5a3d5f9f12b63736c594505
diff --git a/README.rst b/README.rst
index 0db3104..7b52e62 100644
--- a/README.rst
+++ b/README.rst
@@ -1552,3 +1552,15 @@
all: True
verbose: True
all_cells: True
+
+
+Configure filter schedulers
+---------------------------
+At this moment only max_instances_per_host for NumInstancesFilter is supported.
+
+.. code-block:: yaml
+
+ nova:
+ controller:
+ filter_scheduler:
+ max_instances_per_host: 50