= aws_cloudwatch
:type: metrics
:status: stable



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component_type_dropdown::[]


Send metrics to AWS CloudWatch using the PutMetricData endpoint.

Introduced in version 3.36.0.


[tabs]
======
Common::
+
--

```yml
# Common config fields, showing default values
metrics:
  aws_cloudwatch:
    namespace: Benthos
  mapping: ""
```

--
Advanced::
+
--

```yml
# All config fields, showing default values
metrics:
  aws_cloudwatch:
    namespace: Benthos
    flush_period: 100ms
    region: ""
    endpoint: ""
    credentials:
      profile: ""
      id: ""
      secret: ""
      token: ""
      from_ec2_role: false
      role: ""
      role_external_id: ""
  mapping: ""
```

--
======

== Timing metrics

The smallest timing unit that CloudWatch supports is microseconds, therefore timing metrics are automatically downgraded to microseconds (by dividing delta values by 1000). This conversion will also apply to custom timing metrics produced with a `metric` processor.

== Billing

AWS bills per metric series exported, it is therefore STRONGLY recommended that you reduce the metrics that are exposed with a `mapping` like this:

```yaml
metrics:
  mapping: |
    if ![
      "input_received",
      "input_latency",
      "output_sent",
    ].contains(this) { deleted() }
  aws_cloudwatch:
    namespace: Foo
```

== Fields

=== `namespace`

The namespace used to distinguish metrics from other services.


*Type*: `string`

*Default*: `"Benthos"`

=== `flush_period`

The period of time between PutMetricData requests.


*Type*: `string`

*Default*: `"100ms"`

=== `region`

The AWS region to target.


*Type*: `string`

*Default*: `""`

=== `endpoint`

Allows you to specify a custom endpoint for the AWS API.


*Type*: `string`

*Default*: `""`

=== `credentials`

Optional manual configuration of AWS credentials to use. More information can be found in xref:guides:cloud/aws.adoc[].


*Type*: `object`


=== `credentials.profile`

A profile from `~/.aws/credentials` to use.


*Type*: `string`

*Default*: `""`

=== `credentials.id`

The ID of credentials to use.


*Type*: `string`

*Default*: `""`

=== `credentials.secret`

The secret for the credentials being used.
[CAUTION]
====
This field contains sensitive information that usually shouldn't be added to a config directly, read our xref:configuration:secrets.adoc[secrets page for more info].
====



*Type*: `string`

*Default*: `""`

=== `credentials.token`

The token for the credentials being used, required when using short term credentials.


*Type*: `string`

*Default*: `""`

=== `credentials.from_ec2_role`

Use the credentials of a host EC2 machine configured to assume https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2.html[an IAM role associated with the instance^].


*Type*: `bool`

*Default*: `false`
Requires version 4.2.0 or newer

=== `credentials.role`

A role ARN to assume.


*Type*: `string`

*Default*: `""`

=== `credentials.role_external_id`

An external ID to provide when assuming a role.


*Type*: `string`

*Default*: `""`