chore: set DocDB available memory threshold to 3GiB

terraform/cloudwatch/README.md

@@ -29,7 +29,7 @@ This module configures the cloudwatch alarms and webhook forwarding.
 | <a name="input_docdb_cluster_id"></a> [docdb\_cluster\_id](#input\_docdb\_cluster\_id) | The DocumentDB cluster ID |  <pre lang="json">string</pre> |  <pre lang="json">n/a</pre> |  yes |
 | <a name="input_docdb_cpu_threshold"></a> [docdb\_cpu\_threshold](#input\_docdb\_cpu\_threshold) | The DocumentDB CPU utilization alarm threshold in percents |  <pre lang="json">number</pre> |  <pre lang="json">80</pre> |  no |
 | <a name="input_docdb_low_memory_throttling_threshold"></a> [docdb\_low\_memory\_throttling\_threshold](#input\_docdb\_low\_memory\_throttling\_threshold) | The DocumentDB low memory throttling alarm threshold in number of operations per period |  <pre lang="json">number</pre> |  <pre lang="json">2</pre> |  no |
-| <a name="input_docdb_memory_threshold"></a> [docdb\_memory\_threshold](#input\_docdb\_memory\_threshold) | The DocumentDB available memory alarm threshold in GiB |  <pre lang="json">number</pre> |  <pre lang="json">4</pre> |  no |
+| <a name="input_docdb_memory_threshold"></a> [docdb\_memory\_threshold](#input\_docdb\_memory\_threshold) | The DocumentDB available memory alarm threshold in GiB |  <pre lang="json">number</pre> |  <pre lang="json">3</pre> |  no |
 | <a name="input_ecs_cluster_name"></a> [ecs\_cluster\_name](#input\_ecs\_cluster\_name) | The name of the ECS cluster running the application |  <pre lang="json">string</pre> |  <pre lang="json">n/a</pre> |  yes |
 | <a name="input_ecs_cpu_threshold"></a> [ecs\_cpu\_threshold](#input\_ecs\_cpu\_threshold) | The ECS CPU utilization alarm threshold in percents |  <pre lang="json">number</pre> |  <pre lang="json">80</pre> |  no |
 | <a name="input_ecs_memory_threshold"></a> [ecs\_memory\_threshold](#input\_ecs\_memory\_threshold) | The ECS memory utilization alarm threshold in percents |  <pre lang="json">number</pre> |  <pre lang="json">80</pre> |  no |

terraform/cloudwatch/variables.tf

@@ -45,7 +45,7 @@ variable "docdb_cpu_threshold" {
 variable "docdb_memory_threshold" {
   description = "The DocumentDB available memory alarm threshold in GiB"
   type        = number
-  default     = 4
+  default     = 3
 }
 
 variable "docdb_low_memory_throttling_threshold" {

terraform/res_cloudwatch.tf

@@ -7,6 +7,5 @@ module "cloudwatch" {
   ecs_cluster_name = module.ecs.ecs_cluster_name
   ecs_service_name = module.ecs.ecs_service_name
 
-  docdb_cluster_id       = module.keystore.cluster_id
-  docdb_memory_threshold = module.this.stage == "prod" ? 4 : 2
+  docdb_cluster_id = module.keystore.cluster_id
 }