diff --git a/container-images/tcib/base/os/cinder-base/cinder-backup/cinder-backup.yaml b/container-images/tcib/base/os/cinder-base/cinder-backup/cinder-backup.yaml
index caf941e7e..f8e9a84b1 100644
--- a/container-images/tcib/base/os/cinder-base/cinder-backup/cinder-backup.yaml
+++ b/container-images/tcib/base/os/cinder-base/cinder-backup/cinder-backup.yaml
@@ -1,3 +1,7 @@
+tcib_envs:
+  MALLOC_ARENA_MAX: 1
+  MALLOC_MMAP_THRESHOLD_: 131072
+  MALLOC_TRIM_THRESHOLD_: 262144
 tcib_actions:
 - run: dnf -y install {{ tcib_packages.common | join(' ') }} && dnf clean all && rm -rf /var/cache/dnf
 - run: mkdir -p /etc/libqb
diff --git a/container-images/tcib/base/os/cinder-base/cinder-volume/cinder-volume.yaml b/container-images/tcib/base/os/cinder-base/cinder-volume/cinder-volume.yaml
index cb3c4aabd..4fde5e221 100644
--- a/container-images/tcib/base/os/cinder-base/cinder-volume/cinder-volume.yaml
+++ b/container-images/tcib/base/os/cinder-base/cinder-volume/cinder-volume.yaml
@@ -1,3 +1,7 @@
+tcib_envs:
+  MALLOC_ARENA_MAX: 1
+  MALLOC_MMAP_THRESHOLD_: 131072
+  MALLOC_TRIM_THRESHOLD_: 262144
 tcib_actions:
 - run: dnf -y install {{ tcib_packages.common | join(' ') }} && dnf clean all && rm -rf /var/cache/dnf
 - run: cp /usr/share/openstack-tripleo-common-containers/container-images/kolla/cinder-volume/extend_start.sh /usr/local/bin/kolla_extend_start
diff --git a/releasenotes/notes/reduce-memory-consumption-d7effb68ab63b8c5.yaml b/releasenotes/notes/reduce-memory-consumption-d7effb68ab63b8c5.yaml
new file mode 100644
index 000000000..b47d80c17
--- /dev/null
+++ b/releasenotes/notes/reduce-memory-consumption-d7effb68ab63b8c5.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fix high water mark memory usage on Cinder Volume and Backup services and
+    reduce peak memory usage.