diff --git a/ci/preview/capi/cluster.yaml b/ci/preview/capi/cluster.yaml
index 6a130eeb..8cc3c611 100644
--- a/ci/preview/capi/cluster.yaml
+++ b/ci/preview/capi/cluster.yaml
@@ -89,7 +89,7 @@ spec:
   template:
     spec:
       cloudName: default
-      flavor: c1-medium
+      flavor: hm1-medium
       identityRef:
         kind: Secret
         name: cluster-admin-keystone
@@ -128,7 +128,7 @@ spec:
   template:
     spec:
       cloudName: default
-      flavor: c1-large
+      flavor: hm1-large
       identityRef:
         kind: Secret
         name: cluster-admin-keystone
diff --git a/templates/heat/httpd-heat-api-cfn.conf b/templates/heat/httpd-heat-api-cfn.conf
index ac2df998..df975820 100644
--- a/templates/heat/httpd-heat-api-cfn.conf
+++ b/templates/heat/httpd-heat-api-cfn.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:8000>
     WSGIScriptAlias / /var/lib/kolla/venv/bin/heat-wsgi-api-cfn
-    WSGIDaemonProcess heat-api-cfn processes=1 threads=10 user=heat group=heat display-name=%{GROUP}
+    WSGIDaemonProcess heat-api-cfn processes=4 threads=1 user=heat group=heat display-name=%{GROUP}
     WSGIProcessGroup heat-api-cfn
     WSGIApplicationGroup %{GLOBAL}
     WSGIPassAuthorization On
diff --git a/templates/heat/httpd-heat-api.conf b/templates/heat/httpd-heat-api.conf
index 782ddedd..5c6f806f 100644
--- a/templates/heat/httpd-heat-api.conf
+++ b/templates/heat/httpd-heat-api.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:8004>
     WSGIScriptAlias / /var/lib/kolla/venv/bin/heat-wsgi-api
-    WSGIDaemonProcess heat-api processes=1 threads=10 user=heat group=heat display-name=%{GROUP}
+    WSGIDaemonProcess heat-api processes=4 threads=1 user=heat group=heat display-name=%{GROUP}
     WSGIProcessGroup heat-api
     WSGIApplicationGroup %{GLOBAL}
     WSGIPassAuthorization On
diff --git a/templates/horizon/httpd.conf b/templates/horizon/httpd.conf
index a909f793..f1206767 100644
--- a/templates/horizon/httpd.conf
+++ b/templates/horizon/httpd.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:8080>
     WSGIScriptAlias / /var/lib/kolla/venv/lib/python3.10/site-packages/openstack_dashboard/wsgi.py process-group=horizon
-    WSGIDaemonProcess horizon user=horizon group=horizon processes=1 threads=10 display-name=%{GROUP}
+    WSGIDaemonProcess horizon user=horizon group=horizon processes=4 threads=1 display-name=%{GROUP}
     WSGIProcessGroup horizon
     WSGIApplicationGroup %{GLOBAL}
 
diff --git a/templates/nova/httpd.conf b/templates/nova/httpd.conf
index e9dc67fc..10a95b52 100644
--- a/templates/nova/httpd.conf
+++ b/templates/nova/httpd.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:{{ .ListenPort }}>
     WSGIScriptAlias / /var/lib/kolla/venv/bin/nova-api-wsgi
-    WSGIDaemonProcess nova-api processes=1 threads=10 user=nova group=nova display-name=%{GROUP}
+    WSGIDaemonProcess nova-api processes=4 threads=1 user=nova group=nova display-name=%{GROUP}
     WSGIProcessGroup nova-api
     WSGIApplicationGroup %{GLOBAL}
     WSGIPassAuthorization On
diff --git a/templates/octavia/httpd.conf b/templates/octavia/httpd.conf
index a7559bad..f29ad9d4 100644
--- a/templates/octavia/httpd.conf
+++ b/templates/octavia/httpd.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:9876>
     WSGIScriptAlias / /var/lib/kolla/venv/bin/octavia-wsgi
-    WSGIDaemonProcess octavia-api processes=1 threads=10 user=octavia group=octavia display-name=%{GROUP}
+    WSGIDaemonProcess octavia-api processes=4 threads=1 user=octavia group=octavia display-name=%{GROUP}
     WSGIProcessGroup octavia-api
     WSGIApplicationGroup %{GLOBAL}
     WSGIPassAuthorization On
diff --git a/templates/placement/httpd.conf b/templates/placement/httpd.conf
index 7806b4b4..a1dd0604 100644
--- a/templates/placement/httpd.conf
+++ b/templates/placement/httpd.conf
@@ -6,7 +6,7 @@ LoadModule ssl_module /usr/lib/apache2/modules/mod_ssl.so
 
 <VirtualHost *:8778>
     WSGIScriptAlias / /var/lib/kolla/venv/bin/placement-api
-    WSGIDaemonProcess placement-api processes=1 threads=10 user=placement group=placement display-name=%{GROUP}
+    WSGIDaemonProcess placement-api processes=4 threads=1 user=placement group=placement display-name=%{GROUP}
     WSGIProcessGroup placement-api
     WSGIApplicationGroup %{GLOBAL}
     WSGIPassAuthorization On