diff --git a/explorer/terraform/aws/mainnet/variables.tf b/explorer/terraform/aws/mainnet/variables.tf
index 7877a82f..4eb776eb 100644
--- a/explorer/terraform/aws/mainnet/variables.tf
+++ b/explorer/terraform/aws/mainnet/variables.tf
@@ -88,7 +88,7 @@ variable "private_key_path" {
 
 variable "disk_volume_size" {
   type    = number
-  default = 200
+  default = 1500
 }
 
 variable "disk_volume_type" {
diff --git a/templates/terraform/subql/base/instances.tf b/templates/terraform/subql/base/instances.tf
index c93c7dda..af7bb655 100644
--- a/templates/terraform/subql/base/instances.tf
+++ b/templates/terraform/subql/base/instances.tf
@@ -15,8 +15,8 @@ resource "aws_instance" "subql_blue_node" {
     device_name = "/dev/sda1"
     volume_size = var.blue-subql-node-config.disk-volume-size
     volume_type = var.blue-subql-node-config.disk-volume-type
-    iops        = 3000
-    throughput  = 250
+    iops        = 12000
+    throughput  = 750
   }
 
   tags = {
@@ -83,8 +83,8 @@ resource "aws_instance" "subql_green_node" {
     device_name = "/dev/sda1"
     volume_size = var.green-subql-node-config.disk-volume-size
     volume_type = var.green-subql-node-config.disk-volume-type
-    iops        = 3000
-    throughput  = 250
+    iops        = 12000
+    throughput  = 750
   }
 
   tags = {
@@ -149,8 +149,8 @@ resource "aws_instance" "nova_subql_blue_node" {
     device_name = "/dev/sda1"
     volume_size = var.nova-blue-subql-node-config.disk-volume-size
     volume_type = var.nova-blue-subql-node-config.disk-volume-type
-    iops        = 3000
-    throughput  = 250
+    iops        = 12000
+    throughput  = 750
   }
 
   tags = {
@@ -214,8 +214,8 @@ resource "aws_instance" "nova_subql_green_node" {
     device_name = "/dev/sda1"
     volume_size = var.nova-green-subql-node-config.disk-volume-size
     volume_type = var.nova-green-subql-node-config.disk-volume-type
-    iops        = 3000
-    throughput  = 250
+    iops        = 12000
+    throughput  = 750
   }
 
   tags = {