diff --git a/api/bases/keystone.openstack.org_keystoneapis.yaml b/api/bases/keystone.openstack.org_keystoneapis.yaml
index f460b115..a82074b6 100644
--- a/api/bases/keystone.openstack.org_keystoneapis.yaml
+++ b/api/bases/keystone.openstack.org_keystoneapis.yaml
@@ -103,6 +103,17 @@ spec:
                 format: int32
                 minimum: 1
                 type: integer
+              httpdCustomization:
+                description: HttpdCustomization - customize the httpd service
+                properties:
+                  processNumber:
+                    default: 3
+                    description: ProcessNumber - Number of processes running in keystone
+                      API
+                    format: int32
+                    minimum: 1
+                    type: integer
+                type: object
               memcachedInstance:
                 default: memcached
                 description: Memcached instance name.
diff --git a/api/v1beta1/keystoneapi_types.go b/api/v1beta1/keystoneapi_types.go
index 41a46ddc..a0d86aff 100644
--- a/api/v1beta1/keystoneapi_types.go
+++ b/api/v1beta1/keystoneapi_types.go
@@ -157,6 +157,10 @@ type KeystoneAPISpecCore struct {
 	// TODO: -> implement
 	DefaultConfigOverwrite map[string]string `json:"defaultConfigOverwrite,omitempty"`
 
+	// +kubebuilder:validation:Optional
+	// HttpdCustomization - customize the httpd service
+	HttpdCustomization HttpdCustomization `json:"httpdCustomization,omitempty"`
+
 	// +kubebuilder:validation:Optional
 	// Resources - Compute Resources required by this service (Limits/Requests).
 	// https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
@@ -197,6 +201,15 @@ type PasswordSelector struct {
 	Admin string `json:"admin"`
 }
 
+// HttpdCustomization - customize the httpd service
+type HttpdCustomization struct {
+	// +kubebuilder:validation:Optional
+	// +kubebuilder:default=3
+	// +kubebuilder:validation:Minimum=1
+	// ProcessNumber - Number of processes running in keystone API
+	ProcessNumber *int32 `json:"processNumber"`
+}
+
 // KeystoneAPIStatus defines the observed state of KeystoneAPI
 type KeystoneAPIStatus struct {
 	// ReadyCount of keystone API instances
diff --git a/api/v1beta1/zz_generated.deepcopy.go b/api/v1beta1/zz_generated.deepcopy.go
index 98047671..59a8e30b 100644
--- a/api/v1beta1/zz_generated.deepcopy.go
+++ b/api/v1beta1/zz_generated.deepcopy.go
@@ -49,6 +49,26 @@ func (in *APIOverrideSpec) DeepCopy() *APIOverrideSpec {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *HttpdCustomization) DeepCopyInto(out *HttpdCustomization) {
+	*out = *in
+	if in.ProcessNumber != nil {
+		in, out := &in.ProcessNumber, &out.ProcessNumber
+		*out = new(int32)
+		**out = **in
+	}
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new HttpdCustomization.
+func (in *HttpdCustomization) DeepCopy() *HttpdCustomization {
+	if in == nil {
+		return nil
+	}
+	out := new(HttpdCustomization)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *KeystoneAPI) DeepCopyInto(out *KeystoneAPI) {
 	*out = *in
@@ -176,6 +196,7 @@ func (in *KeystoneAPISpecCore) DeepCopyInto(out *KeystoneAPISpecCore) {
 			(*out)[key] = val
 		}
 	}
+	in.HttpdCustomization.DeepCopyInto(&out.HttpdCustomization)
 	in.Resources.DeepCopyInto(&out.Resources)
 	if in.NetworkAttachments != nil {
 		in, out := &in.NetworkAttachments, &out.NetworkAttachments
diff --git a/config/crd/bases/keystone.openstack.org_keystoneapis.yaml b/config/crd/bases/keystone.openstack.org_keystoneapis.yaml
index f460b115..a82074b6 100644
--- a/config/crd/bases/keystone.openstack.org_keystoneapis.yaml
+++ b/config/crd/bases/keystone.openstack.org_keystoneapis.yaml
@@ -103,6 +103,17 @@ spec:
                 format: int32
                 minimum: 1
                 type: integer
+              httpdCustomization:
+                description: HttpdCustomization - customize the httpd service
+                properties:
+                  processNumber:
+                    default: 3
+                    description: ProcessNumber - Number of processes running in keystone
+                      API
+                    format: int32
+                    minimum: 1
+                    type: integer
+                type: object
               memcachedInstance:
                 default: memcached
                 description: Memcached instance name.
diff --git a/controllers/keystoneapi_controller.go b/controllers/keystoneapi_controller.go
index afbe0f58..3644d3e1 100644
--- a/controllers/keystoneapi_controller.go
+++ b/controllers/keystoneapi_controller.go
@@ -1196,6 +1196,7 @@ func (r *KeystoneAPIReconciler) generateServiceConfigMaps(
 			keystone.DatabaseName,
 		),
 		"enableSecureRBAC": instance.Spec.EnableSecureRBAC,
+		"ProcessNumber":    instance.Spec.HttpdCustomization.ProcessNumber,
 	}
 
 	// create httpd  vhost template parameters
diff --git a/templates/keystoneapi/config/httpd.conf b/templates/keystoneapi/config/httpd.conf
index 2046181e..641b6ddf 100644
--- a/templates/keystoneapi/config/httpd.conf
+++ b/templates/keystoneapi/config/httpd.conf
@@ -53,7 +53,7 @@ CustomLog /dev/stdout proxy env=forwarded
 
   ## WSGI configuration
   WSGIApplicationGroup %{GLOBAL}
-  WSGIDaemonProcess {{ $endpt }} display-name={{ $endpt }} group=keystone processes=3 threads=1 user=keystone
+  WSGIDaemonProcess {{ $endpt }} display-name={{ $endpt }} group=keystone processes={{ $.ProcessNumber }} threads=1 user=keystone
   WSGIProcessGroup {{ $endpt }}
   WSGIScriptAlias / "/usr/bin/keystone-wsgi-public"
   WSGIPassAuthorization On