查找具有先前设定的实例预热时间的扩展策略 - Amazon EC2 Auto Scaling
Amazon Web Services 文档中描述的 Amazon Web Services 服务或功能可能因区域而异。要查看适用于中国区域的差异，请参阅 中国的 Amazon Web Services 服务入门 (PDF)。

本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。

查找具有先前设定的实例预热时间的扩展策略

要确定您的策略是否有自己的预热时间，请使用运行以EstimatedInstanceWarmup下 desc ribe-policies 命令。 Amazon CLI将my-asg替换为您的自动扩缩组的名称。

aws autoscaling describe-policies --auto-scaling-group-name my-asg
  --query 'ScalingPolicies[?EstimatedInstanceWarmup!=`null`]'

下面是示例输出。

[
  {
    "AutoScalingGroupName":"my-asg",
    "PolicyName":"cpu50-target-tracking-scaling-policy",
    "PolicyARN":"arn",
    "PolicyType":"TargetTrackingScaling",
    "StepAdjustments":[],
    "EstimatedInstanceWarmup":120,
    "Alarms":[{
        "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmHigh-fc0e4183-23ac-497e-9992-691c9980c38e",
        "AlarmName": "TargetTracking-my-asg-AlarmHigh-fc0e4183-23ac-497e-9992-691c9980c38e"
      },
      {
            "AlarmARN": "arn:aws:cloudwatch:us-west-2:123456789012:alarm:TargetTracking-my-asg-AlarmLow-61a39305-ed0c-47af-bd9e-471a352ee1a2",
            "AlarmName": "TargetTracking-my-asg-AlarmLow-61a39305-ed0c-47af-bd9e-471a352ee1a2"
    }],
    "TargetTrackingConfiguration":{
      "PredefinedMetricSpecification":{
        "PredefinedMetricType":"ASGAverageCPUUtilization"
      },
      "TargetValue":50.0,
      "DisableScaleIn":false
    },
    "Enabled":true
  },
  
    ... additional policies ...
                        
]