Further Jitbit anomaly alarm tweaks

ministryofjustice · Feb 27, 2024 · 8be04f1 · 8be04f1
1 parent 2440eae
commit 8be04f1
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/terraform/environments/delius-jitbit/monitoring_ecs.tf b/terraform/environments/delius-jitbit/monitoring_ecs.tf
@@ -7,7 +7,8 @@ locals {
 resource "aws_cloudwatch_metric_alarm" "jitbit_cpu_over_threshold" {
   alarm_name                = "jitbit-ecs-cpu-threshold"
   comparison_operator       = "GreaterThanUpperThreshold"
-  evaluation_periods        = "2"
+  datapoints_to_alarm       = "3"
+  evaluation_periods        = "5"
   threshold_metric_id       = "e1"
   alarm_description         = "Triggers alarm if ECS CPU crosses a threshold"
   insufficient_data_actions = []
@@ -28,7 +29,7 @@ resource "aws_cloudwatch_metric_alarm" "jitbit_cpu_over_threshold" {
     metric {
       metric_name = "CPUUtilization"
       namespace   = "AWS/ECS"
-      period      = "120"
+      period      = "60"
       stat        = "Average"
 
       dimensions = {
@@ -43,7 +44,8 @@ resource "aws_cloudwatch_metric_alarm" "jitbit_cpu_over_threshold" {
 resource "aws_cloudwatch_metric_alarm" "jitbit_memory_over_threshold" {
   alarm_name                = "jitbit-ecs-memory-threshold"
   comparison_operator       = "GreaterThanUpperThreshold"
-  evaluation_periods        = "2"
+  datapoints_to_alarm       = "3"
+  evaluation_periods        = "5"
   threshold_metric_id       = "e1"
   alarm_description         = "Triggers alarm if ECS memory crosses a threshold"
   insufficient_data_actions = []
@@ -64,7 +66,7 @@ resource "aws_cloudwatch_metric_alarm" "jitbit_memory_over_threshold" {
     metric {
       metric_name = "MemoryUtilization"
       namespace   = "AWS/ECS"
-      period      = "120"
+      period      = "60"
       stat        = "Average"
 
       dimensions = {