# Amazon EC2 Auto Scaling (ASG)


The following example shows a component configuration in JSON format for Amazon EC2 Auto Scaling (ASG).

```
{
    "alarmMetrics" : [
      {
        "alarmMetricName" : "CPUCreditBalance"
      }, {
        "alarmMetricName" : "EBSIOBalance%"
      }
    ],
    "subComponents" : [
      {
        "subComponentType" : "AWS::EC2::Instance",
        "alarmMetrics" : [
          {
            "alarmMetricName" : "CPUUtilization"
          }, {
            "alarmMetricName" : "StatusCheckFailed"
          }
        ],
        "logs" : [
          {
            "logGroupName" : "my_log_group",
            "logPath" : "C:\\LogFolder\\*",
            "logType" : "APPLICATION"
          }
        ],
        "processes" : [
          {
            "processName" : "my_process",
            "alarmMetrics" : [
              {
                  "alarmMetricName" : "procstat cpu_usage",
                  "monitor" : true
              }, {
                  "alarmMetricName" : "procstat memory_rss",
                  "monitor" : true
              }
          ]
      }
  ],
        "windowsEvents" : [
          {
            "logGroupName" : "my_log_group_2",
            "eventName" : "Application",
            "eventLevels" : [ "ERROR", "WARNING", "CRITICAL" ]
          }
        ]
      }, {
        "subComponentType" : "AWS::EC2::Volume",
        "alarmMetrics" : [
          {
            "alarmMetricName" : "VolumeQueueLength"
          }, {
            "alarmMetricName" : "BurstBalance"
          }
        ]
      }
    ],
    "alarms" : [
      {
        "alarmName" : "my_asg_alarm",
        "severity" : "LOW"
      }
    ]
  }
```