Difference between revisions of "AWS::CloudWatch::Alarm"
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*<code>[[AWS::CloudWatch::AnomalyDetector]]</code> | *<code>[[AWS::CloudWatch::AnomalyDetector]]</code> | ||
| + | |||
| + | ===Autoscaling=== | ||
| + | <pre> AppScaleUpPolicy: | ||
| + | Type: AWS::AutoScaling::ScalingPolicy | ||
| + | Properties: | ||
| + | AdjustmentType: ChangeInCapacity | ||
| + | AutoScalingGroupName: !Ref DeployAppASG | ||
| + | Cooldown: '60' | ||
| + | ScalingAdjustment: 1</pre> | ||
| + | |||
| + | <pre>AppScaleDownPolicy: | ||
| + | Type: AWS::AutoScaling::ScalingPolicy | ||
| + | Properties: | ||
| + | AdjustmentType: ChangeInCapacity | ||
| + | AutoScalingGroupName: !Ref DeployAppASG | ||
| + | Cooldown: '300' | ||
| + | ScalingAdjustment: -1</pre> | ||
| + | |||
| + | ===CPU alarm=== | ||
| + | <pre>CPUAlarmHigh: | ||
| + | Type: AWS::CloudWatch::Alarm | ||
| + | Properties: | ||
| + | AlarmDescription: Scale-up if CPU > 80% for 5 minutes | ||
| + | MetricName: CPUUtilization | ||
| + | Namespace: AWS/EC2 | ||
| + | Statistic: Average | ||
| + | Period: 300 | ||
| + | EvaluationPeriods: 2 | ||
| + | Threshold: 80 | ||
| + | AlarmActions: [!Ref AppScaleUpPolicy] | ||
| + | Dimensions: | ||
| + | - Name: AutoScalingGroupName | ||
| + | Value: !Ref DeployAppASG | ||
| + | ComparisonOperator: GreaterThanThreshold | ||
| + | |||
| + | CPUAlarmLow: | ||
| + | Type: AWS::CloudWatch::Alarm | ||
| + | Properties: | ||
| + | AlarmDescription: Scale-down if CPU < 60% for 5 minutes | ||
| + | MetricName: CPUUtilization | ||
| + | Namespace: AWS/EC2 | ||
| + | Statistic: Average | ||
| + | Period: 300 | ||
| + | EvaluationPeriods: 2 | ||
| + | Threshold: 80 | ||
| + | AlarmActions: [!Ref AppScaleDownPolicy] | ||
| + | Dimensions: | ||
| + | - Name: AutoScalingGroupName | ||
| + | Value: !Ref DeployAppASG | ||
| + | ComparisonOperator: LessThanThreshold</pre> | ||
| + | |||
== See also == | == See also == | ||
Revision as of 10:50, 27 September 2021
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-alarm.html
Autoscaling
AppScaleUpPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AdjustmentType: ChangeInCapacity
AutoScalingGroupName: !Ref DeployAppASG
Cooldown: '60'
ScalingAdjustment: 1
AppScaleDownPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AdjustmentType: ChangeInCapacity
AutoScalingGroupName: !Ref DeployAppASG
Cooldown: '300'
ScalingAdjustment: -1
CPU alarm
CPUAlarmHigh:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmDescription: Scale-up if CPU > 80% for 5 minutes
MetricName: CPUUtilization
Namespace: AWS/EC2
Statistic: Average
Period: 300
EvaluationPeriods: 2
Threshold: 80
AlarmActions: [!Ref AppScaleUpPolicy]
Dimensions:
- Name: AutoScalingGroupName
Value: !Ref DeployAppASG
ComparisonOperator: GreaterThanThreshold
CPUAlarmLow:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmDescription: Scale-down if CPU < 60% for 5 minutes
MetricName: CPUUtilization
Namespace: AWS/EC2
Statistic: Average
Period: 300
EvaluationPeriods: 2
Threshold: 80
AlarmActions: [!Ref AppScaleDownPolicy]
Dimensions:
- Name: AutoScalingGroupName
Value: !Ref DeployAppASG
ComparisonOperator: LessThanThreshold
See also
- AWS monitoring: AWS CloudWatch: Logs, Logs Insights, Events, Alarms,
aws cloudwatch, aws logs, Amazon CloudWatch Lambda Insights, AWS CloudWatch Container Insights, CloudWatch Dashboard, AWS CloudWatch Automatic Dashboards, Amazon RDS Performance Insights, Amazon CloudWatch Metric Streams, Amazon CloudWatch Lambda Insights,CloudwatchLogsGroup, Amazon CloudWatch Anomaly Detection,cloudwatch kms key id, CloudWatch agent, Amazon CloudWatch Evidently, namespace, Synthetics, Synthetics Canaries, YACE, Prometheus cloudwatch exporter, Amazon CloudWatch Observability Access Manager, Amazon CloudWatch Live Tail
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