diff --git a/dual-master/Makefile b/dual-master/Makefile
index 203e0f3..1800e57 100644
--- a/dual-master/Makefile
+++ b/dual-master/Makefile
@@ -29,6 +29,12 @@
 ifdef CLUSTER_INSTANCE_TYPE
 		$(eval CLUSTER_OPTIONAL_PARAMS := $(CLUSTER_OPTIONAL_PARAMS) ParameterKey=InstanceType,ParameterValue=$(CLUSTER_INSTANCE_TYPE))
 endif
+ifdef FILESYSTEM_THROUGHPUT_MODE
+		$(eval CLUSTER_OPTIONAL_PARAMS := $(CLUSTER_OPTIONAL_PARAMS) ParameterKey=FileSystemThroughputMode,ParameterValue=$(FILESYSTEM_THROUGHPUT_MODE))
+endif
+ifdef FILESYSTEM_PROVISIONED_THROUGHPUT_IN_MIBPS
+		$(eval CLUSTER_OPTIONAL_PARAMS := $(CLUSTER_OPTIONAL_PARAMS) ParameterKey=ProvisionedThroughputInMibps,ParameterValue=$(FILESYSTEM_PROVISIONED_THROUGHPUT_IN_MIBPS))
+endif
 
 	$(AWS_FC_COMMAND) create-stack \
 		--stack-name $(CLUSTER_STACK_NAME) \
diff --git a/dual-master/README.md b/dual-master/README.md
index 52bf9ff..c8d3fdb 100644
--- a/dual-master/README.md
+++ b/dual-master/README.md
@@ -87,6 +87,10 @@
 * `SSH_HOST_PORT_MASTER2:`: Optional. Gerrit Host SSH port for master2 (must be different from master1). `29418` by default.
 * `SLAVE_SUBDOMAIN`: Mandatory. The subdomain of the Gerrit slave. For example: `<AWS_PREFIX>-slave`
 * `LB_SUBDOMAIN`: Mandatory. The subdomain of the Gerrit load balancer. For example: `<AWS_PREFIX>-dual-master`
+* `FILESYSTEM_THROUGHPUT_MODE`: Optional. The throughput mode for the file system to be created.
+default: `bursting`. More info [here](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-efs-filesystem.html)
+* `FILESYSTEM_PROVISIONED_THROUGHPUT_IN_MIBPS`: Optional. Only used when `FILESYSTEM_THROUGHPUT_MODE` is set to `provisioned`.
+default: `256`.
 
 ### 2 - Deploy
 
diff --git a/dual-master/cf-cluster.yml b/dual-master/cf-cluster.yml
index 07b4cc2..ca1c947 100644
--- a/dual-master/cf-cluster.yml
+++ b/dual-master/cf-cluster.yml
@@ -48,6 +48,19 @@
       Description: An environment name used to build the log stream names
       Type: String
       Default: test
+  FileSystemThroughputMode:
+    Description:  Gerrit shared filesystem throughput mode
+    Type: String
+    Default: bursting
+    AllowedValues: [bursting, provisioned]
+  ProvisionedThroughputInMibps:
+    Description:  The fs throughput, measured in MiB/s. Valid values are 1-1024.
+    Type: Number
+    Default: 256
+
+Conditions:
+  isProvisionedThroughput: !Equals [!Ref FileSystemThroughputMode, "provisioned"]
+
 Resources:
   # ECS Resources
   ECSCluster:
@@ -238,8 +251,8 @@
   FileSystem:
     Type: AWS::EFS::FileSystem
     Properties:
-      ThroughputMode: provisioned
-      ProvisionedThroughputInMibps: 1024
+      ThroughputMode: !Ref FileSystemThroughputMode
+      ProvisionedThroughputInMibps: !If [isProvisionedThroughput, !Ref ProvisionedThroughputInMibps, !Ref "AWS::NoValue"]
       FileSystemTags:
         - Key: Name
           Value: "multi-master-git-repo"
diff --git a/dual-master/setup.env.template b/dual-master/setup.env.template
index c340d14..2c6638a 100644
--- a/dual-master/setup.env.template
+++ b/dual-master/setup.env.template
@@ -20,6 +20,8 @@
 GERRIT_HEAP_LIMIT=35g
 JGIT_CACHE_SIZE=12g
 
+FILESYSTEM_THROUGHPUT_MODE=bursting
+
 LDAP_SERVER:=ldap://yourldap.yourcompany.com
 LDAP_USERNAME:=cn=admin,dc=example,dc=org
 LDAP_ACCOUNT_BASE:=dc=example,dc=org