diff --git a/ansible/group_vars/all.yml b/ansible/group_vars/all.yml
index 17c945a79b7010f2b6ccbb8f58ca6232d4052a9f..68f571c68d115bb31e6c945f44baa5c4e4a25000 100644
--- a/ansible/group_vars/all.yml
+++ b/ansible/group_vars/all.yml
@@ -675,7 +675,7 @@ enable_sahara: "no"
 enable_senlin: "no"
 enable_skydive: "no"
 enable_solum: "no"
-enable_storm: "{{ enable_monasca | bool }}"
+enable_storm: "{{ enable_monasca | bool and monasca_enable_alerting_pipeline | bool }}"
 enable_swift: "no"
 enable_swift_s3api: "no"
 enable_swift_recon: "no"
@@ -709,6 +709,8 @@ enable_destroy_images: "no"
 ####################
 # Monasca options
 ####################
+monasca_enable_alerting_pipeline: True
+
 monasca_api_admin_base_endpoint: "{{ admin_protocol }}://{{ kolla_internal_fqdn  | put_address_in_context('url') }}:{{ monasca_api_port }}"
 monasca_api_internal_base_endpoint: "{{ internal_protocol }}://{{ kolla_internal_fqdn  | put_address_in_context('url') }}:{{ monasca_api_port }}"
 monasca_api_public_base_endpoint: "{{ public_protocol }}://{{ kolla_external_fqdn  | put_address_in_context('url') }}:{{ monasca_api_port }}"
diff --git a/ansible/monasca_cleanup.yml b/ansible/monasca_cleanup.yml
index 25b1243a9c43597ab49b5949bf5c2c62015da885..300fd641bce7851a6440674f309da67bc7d4864a 100644
--- a/ansible/monasca_cleanup.yml
+++ b/ansible/monasca_cleanup.yml
@@ -12,3 +12,11 @@
   roles:
     - { role: monasca,
         tags: monasca }
+
+- name: Cleanup unused Storm services
+  hosts:
+    - storm-worker
+    - storm-nimbus
+  roles:
+    - { role: storm,
+        tags: storm }
diff --git a/ansible/roles/monasca/defaults/main.yml b/ansible/roles/monasca/defaults/main.yml
index 9ea240e01c81a5552fdc177d521018c2f89f558d..4755be9df4b25d85dde95ac363940d9efb7573bf 100644
--- a/ansible/roles/monasca/defaults/main.yml
+++ b/ansible/roles/monasca/defaults/main.yml
@@ -46,14 +46,14 @@ monasca_services:
   monasca-thresh:
     container_name: monasca_thresh
     group: monasca-thresh
-    enabled: true
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
     image: "{{ monasca_thresh_image_full }}"
     volumes: "{{ monasca_thresh_default_volumes + monasca_thresh_extra_volumes }}"
     dimensions: "{{ monasca_thresh_dimensions }}"
   monasca-notification:
     container_name: monasca_notification
     group: monasca-notification
-    enabled: true
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
     image: "{{ monasca_notification_image_full }}"
     volumes: "{{ monasca_notification_default_volumes + monasca_notification_extra_volumes }}"
     dimensions: "{{ monasca_notification_dimensions }}"
@@ -186,23 +186,23 @@ monasca_all_topics:
   - name: "{{ monasca_events_topic }}"
     partitions: "{{ monasca_default_topic_partitions }}"
     replication_factor: "{{ monasca_default_topic_replication_factor }}"
-    enabled: True
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
   - name: "{{ monasca_alarm_state_transitions_topic }}"
     partitions: "{{ monasca_default_topic_partitions }}"
     replication_factor: "{{ monasca_default_topic_replication_factor }}"
-    enabled: True
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
   - name: "{{ monasca_alarm_notifications_topic }}"
     partitions: "{{ monasca_default_topic_partitions }}"
     replication_factor: "{{ monasca_default_topic_replication_factor }}"
-    enabled: True
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
   - name: "{{ monasca_alarm_notifications_retry_topic }}"
     partitions: "{{ monasca_default_topic_partitions }}"
     replication_factor: "{{ monasca_default_topic_replication_factor }}"
-    enabled: True
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
   - name: "{{ monasca_periodic_notifications_topic }}"
     partitions: "{{ monasca_default_topic_partitions }}"
     replication_factor: "{{ monasca_default_topic_replication_factor }}"
-    enabled: True
+    enabled: "{{ monasca_enable_alerting_pipeline | bool }}"
 
 # NOTE(dszumski): Due to the way monasca-notification is currently
 # implemented it is not recommended to change this period.
diff --git a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2 b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
index fb7cbc9dd23f2b7243699114d05217828a994333..7f0d229694563b418808aeae754fff3b479e094f 100644
--- a/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
+++ b/ansible/roles/monasca/templates/monasca-persister/persister.conf.j2
@@ -15,9 +15,13 @@ port = {{ monasca_influxdb_http_port }}
 legacy_kafka_client_enabled = False
 
 [kafka_alarm_history]
+{% if not monasca_enable_alerting_pipeline | bool %}
+enabled = False
+{% else %}
 uri = {{ monasca_kafka_servers }}
 topic = {{ monasca_alarm_state_transitions_topic }}
 num_processors = 1
+{% endif %}
 
 [kafka_metrics]
 uri = {{ monasca_kafka_servers }}
diff --git a/ansible/roles/storm/defaults/main.yml b/ansible/roles/storm/defaults/main.yml
index efadad23cdf9d5b442087db4198de68275932c14..f343af3d8dd84d78de60e0f7bd4df2e71e355f3b 100644
--- a/ansible/roles/storm/defaults/main.yml
+++ b/ansible/roles/storm/defaults/main.yml
@@ -5,7 +5,7 @@ storm_services:
   storm-worker:
     container_name: storm_worker
     group: storm-worker
-    enabled: true
+    enabled: "{{ enable_storm | bool }}"
     image: "{{ storm_image_full }}"
     environment:
       STORM_LOG_DIR: /var/log/kolla/storm
@@ -15,7 +15,7 @@ storm_services:
   storm-nimbus:
     container_name: storm_nimbus
     group: storm-nimbus
-    enabled: true
+    enabled: "{{ enable_storm | bool }}"
     image: "{{ storm_image_full }}"
     environment:
       STORM_LOG_DIR: /var/log/kolla/storm
diff --git a/ansible/roles/storm/tasks/cleanup.yml b/ansible/roles/storm/tasks/cleanup.yml
new file mode 100644
index 0000000000000000000000000000000000000000..4d0a5a81c8e1576980939a5f06f30644cd4407ec
--- /dev/null
+++ b/ansible/roles/storm/tasks/cleanup.yml
@@ -0,0 +1,22 @@
+---
+- name: Stop and remove containers for Storm services
+  become: true
+  kolla_docker:
+    action: "stop_and_remove_container"
+    name: "{{ item.value.container_name }}"
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - not item.value.enabled | bool
+  with_dict: "{{ storm_services }}"
+
+- name: Removing config for any disabled services
+  file:
+    path: "{{ node_config_directory }}/{{ item.key }}"
+    state: "absent"
+  become: true
+  when:
+    - inventory_hostname in groups[item.value.group]
+    - not item.value.enabled | bool
+  with_dict: "{{ storm_services }}"
+
+# NOTE(dszumski): Docker volume removal is currently a manual procedure
diff --git a/doc/source/reference/logging-and-monitoring/monasca-guide.rst b/doc/source/reference/logging-and-monitoring/monasca-guide.rst
index 365c952c5d9caa1711edbd72d510576ddda1c1c8..947265011cfa1d3cea4c055cbe3cb11a30ff0a32 100644
--- a/doc/source/reference/logging-and-monitoring/monasca-guide.rst
+++ b/doc/source/reference/logging-and-monitoring/monasca-guide.rst
@@ -42,6 +42,13 @@ Enable Monasca in ``/etc/kolla/globals.yml``:
 
    enable_monasca: "yes"
 
+If you wish to disable the alerting and notification pipeline to reduce
+resource usage you can set ``/etc/kolla/globals.yml``:
+
+.. code-block:: yaml
+
+   monasca_enable_alerting_pipeline: "no"
+
 Currently Monasca is only supported using the ``source`` install type Kolla
 images. If you are using the ``binary`` install type you should set the
 following override in ``/etc/kolla/globals.yml``:
@@ -334,6 +341,9 @@ which you must run the cleanup command is given below:
   Wallaby.
 - Upgrading from Wallaby to Xena to remove the Monasca Log Metrics service
   if the option to disable it by default was overridden in Wallaby.
+- If you have disabled the alerting pipeline via the
+  `monasca_enable_alerting_pipeline` flag after you have deployed the alerting
+  services.
 
 The cleanup command can be invoked from the Kolla Ansible CLI, for example:
 
@@ -365,7 +375,7 @@ System requirements and performance impact
 Monasca will deploy the following Docker containers:
 
 * Apache Kafka
-* Apache Storm
+* Apache Storm (optional)
 * Apache Zookeeper
 * Elasticsearch
 * Grafana
@@ -378,9 +388,9 @@ Monasca will deploy the following Docker containers:
 * Monasca Log API
 * Monasca Log Metrics (Logstash, optional, deprecated)
 * Monasca Log Persister (Logstash)
-* Monasca Notification
+* Monasca Notification (optional)
 * Monasca Persister
-* Monasca Thresh (Apache Storm topology)
+* Monasca Thresh (Apache Storm topology, optional)
 
 In addition to these, Monasca will also utilise Kolla deployed MariaDB,
 Keystone, Memcached and HAProxy/Keepalived. The Monasca Agent containers
@@ -397,6 +407,10 @@ multi-core CPU. You will also need enough space to store metrics and logs,
 and to buffer these in Kafka. Whilst Kafka is happy with spinning disks,
 you will likely want to use SSDs to back InfluxDB and Elasticsearch.
 
+If resources are tight, it is possible to disable the alerting and
+notification pipeline which removes the need for Apache Storm, Monasca
+Thresh and Monasca Notification. This can have a significant effect.
+
 .. _Security impact:
 
 Security impact
diff --git a/releasenotes/notes/support-disabling-monasca-alerting-service-92d49ead068447f8.yaml b/releasenotes/notes/support-disabling-monasca-alerting-service-92d49ead068447f8.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..3f4017713bf2074e2c725b6cbf84d6cbe002c469
--- /dev/null
+++ b/releasenotes/notes/support-disabling-monasca-alerting-service-92d49ead068447f8.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Support has been added to optionally disable the Monasca alerting
+    pipeline. This can be helpful to reduce resource consumption on
+    Monasca service hosts if the alerting pipeline is not in use.