# Customer-grouped Amazon EC2 instances
<a name="component-configuration-examples-grouped-ec2"></a>

The following example shows a component configuration in JSON format for customer-grouped Amazon EC2 instances.

```
{
    "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_alarm",
        "severity": "MEDIUM"
      }
    ]
  }
```