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AWS elb metricset

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AWS elb metricset

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Elastic Load Balancing publishes data points to Amazon CloudWatch for your load balancers and your back-end instances. This aws elb metricset collects these Cloudwatch metrics for monitoring purposes.

AWS Permissions

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Some specific AWS permissions are required for IAM user to collect AWS ELB metrics.

ec2:DescribeRegions
cloudwatch:GetMetricData
cloudwatch:ListMetrics
tag:getResources
sts:GetCallerIdentity
iam:ListAccountAliases

Dashboard

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The aws elb metricset comes with a predefined dashboard for classic ELB. For example:

Configuration example

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- module: aws
  period: 300s
  metricsets:
    - elb
  access_key_id: '${AWS_ACCESS_KEY_ID:""}'
  secret_access_key: '${AWS_SECRET_ACCESS_KEY:""}'
  session_token: '${AWS_SESSION_TOKEN:""}'
  default_region: '${AWS_REGION:us-west-1}'
  # This module uses the aws cloudwatch metricset, all
  # the options for this metricset are also available here.

Metrics

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elb metricset collects Cloudwatch metrics from classic ELB, application ELB and network ELB.

Metrics for Classic ELB

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Metric Name	Statistic Method
BackendConnectionErrors	Sum
HealthyHostCount	Maximum
HTTPCode_Backend_2XX	Sum
HTTPCode_Backend_3XX	Sum
HTTPCode_Backend_4XX	Sum
HTTPCode_Backend_5XX	Sum
HTTPCode_ELB_4XX	Sum
HTTPCode_ELB_5XX	Sum
Latency	Average
RequestCount	Sum
SpilloverCount	Sum
SurgeQueueLength	Maximum
UnHealthyHostCount	Maximum
EstimatedALBActiveConnectionCount	Average
EstimatedALBConsumedLCUs	Average
EstimatedALBNewConnectionCount	Average
EstimatedProcessedBytes	Average

Metrics for Application ELB

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Metric Name	Statistic Method
ActiveConnectionCount	Sum
ClientTLSNegotiationErrorCount	Sum
ConsumedLCUs	Average
HTTP_Fixed_Response_Count	Sum
HTTP_Redirect_Count	Sum
HTTP_Redirect_Url_Limit_Exceeded_Count	Sum
HTTPCode_ELB_3XX_Count	Sum
HTTPCode_ELB_4XX_Count	Sum
HTTPCode_ELB_5XX_Count	Sum
HTTPCode_ELB_500_Count	Sum
HTTPCode_ELB_502_Count	Sum
HTTPCode_ELB_503_Count	Sum
HTTPCode_ELB_504_Count	Sum
IPv6ProcessedBytes	Sum
IPv6RequestCount	Sum
NewConnectionCount	Sum
ProcessedBytes	Sum
RejectedConnectionCount	Sum
RequestCount	Sum
RuleEvaluations	Sum

Metrics for Network ELB

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Metric Name	Statistic Method
ActiveFlowCount	Average
ActiveFlowCount_TLS	Average
ActiveFlowCount_TCP	Average
ActiveFlowCount_UDP	Average
ConsumedLCUs	Average
ConsumedLCUs_TCP	Average
ConsumedLCUs_TLS	Average
ConsumedLCUs_UDP	Average
ClientTLSNegotiationErrorCount	Sum
NewFlowCount	Sum
NewFlowCount_TLS	Sum
NewFlowCount_TCP	Sum
NewFlowCount_UDP	Sum
ProcessedBytes	Sum
ProcessedBytes_TCP	Sum
ProcessedBytes_TLS	Sum
ProcessedBytes_UDP	Sum
TargetTLSNegotiationErrorCount	Sum
TCP_Client_Reset_Count	Sum
TCP_ELB_Reset_Count	Sum
TCP_Target_Reset_Count	Sum
UnHealthyHostCount	Maximum
HealthyHostCount	Maximum

This is a default metricset. If the host module is unconfigured, this metricset is enabled by default.

Fields

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For a description of each field in the metricset, see the exported fields section.

Here is an example document generated by this metricset:

{
    "@timestamp": "2017-10-12T08:05:34.853Z",
    "aws": {
        "cloudwatch": {
            "namespace": "AWS/ELB"
        },
        "dimensions": {
            "Namespace": "AWS"
        },
        "elb": {
            "metrics": {
                "HealthyHostCount": {
                    "max": 2
                },
                "Latency": {
                    "avg": 0.000005960464477539062
                },
                "RequestCount": {
                    "sum": 1
                },
                "SurgeQueueLength": {
                    "max": 1
                },
                "UnHealthyHostCount": {
                    "max": 0
                }
            }
        }
    },
    "cloud": {
        "account": {
            "id": "428152502467",
            "name": "elastic-beats"
        },
        "provider": "aws",
        "region": "us-east-1"
    },
    "event": {
        "dataset": "aws.elb",
        "duration": 115000,
        "module": "aws"
    },
    "metricset": {
        "name": "elb",
        "period": 10000
    },
    "service": {
        "type": "aws"
    }
}

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