cloudwatch memory usage ( CloudFormation, Elastic Beanstalk )

cloudformation_cw_resource.yml

Resources:
  CloudWatchRamDashboard:
    Type: 'AWS::CloudWatch::Dashboard'
    Properties:
      DashboardName: !Sub '${ProjectId}-board'
      DashboardBody: !Sub >-
        {
          "widgets": [
            {
              "type": "metric",
              "properties": {
                "metrics": [
                  [
                    {
                      "expression": "SEARCH('{${ProjectId}-backend,RAMPercent,InstanceId} MetricName=mem_used', 'Average', 30)",
                      "region": "us-east-1",
                      "label": "${!PROP('Dim.InstanceId')} used"
                    }
                  ],
                  [
                    {
                      "expression": "SEARCH('{${ProjectId}-backend,RAMPercent,InstanceId} MetricName=mem_total', 'Average', 30)",
                      "region": "us-east-1",
                      "label": "${!PROP('Dim.InstanceId')} total"
                    }
                  ]
                ],
                "region": "${AWS::Region}",
                "period": 300,
                "view": "timeSeries",
                "stat": "Average",
                "stacked": false,
                "title": "${ProjectId}-backend-ram",
                "setPeriodToTimeRange": true
              }
            },
            {
              "type": "metric",
              "properties": {
                "metrics": [
                  [
                    {
                      "expression": "SEARCH('{${ProjectId}-worker,RAMPercent,InstanceId} MetricName=mem_used', 'Average', 30)",
                      "region": "us-east-1",
                      "label": "${!PROP('Dim.InstanceId')} used"
                    }
                  ],
                  [
                    {
                      "expression": "SEARCH('{${ProjectId}-worker,RAMPercent,InstanceId} MetricName=mem_total', 'Average', 30)",
                      "region": "us-east-1",
                      "label": "${!PROP('Dim.InstanceId')} total"
                    }
                  ]
                ],
                "region": "${AWS::Region}",
                "period": 300,
                "view": "timeSeries",
                "stat": "Average",
                "stacked": false,
                "title": "${ProjectId}-worker-ram",
                "setPeriodToTimeRange": true
              }
            }
          ]
        }

cw.conf

{
        "agent": {
                "metrics_collection_interval": 30,
                "run_as_user": "root"
        },
        "metrics": {
                "namespace": "${ProjectId}", // replace ${ProjectId} to custom namespace name and remove this comment 
                "append_dimensions": {
                        "InstanceId": "${aws:InstanceId}"
                },
                "metrics_collected": {
                        "mem": {
                                "append_dimensions": {
                                        "RAMPercent": "${ProjectId}-ram" // replace ${ProjectId} to custom namespace name and remove this comment 
                                },
                                "measurement": [
                                        { "name": "mem_total", "unit": "Percent" },
                                        { "name": "mem_used", "unit": "Percent" }
                                ],
                                "metrics_collection_interval": 30
                        }
                }
        }
}