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Amazon Polly Metrics

Amazon Polly sends metrics to CloudWatch. For more information, see the Amazon Polly Developer Guide.

Amazon Polly Metrics

Amazon Polly produces the following metrics for each request. These metrics are aggregated and in one minute intervals sent to CloudWatch where they are available in the AWS/Polly namespace.

Metric Description

RequestCharacters

The number of characters in the request. This is billable characters only and does not include SSML tags.

Valid Dimension: Operation

Valid Statistics: Minimum, Maximum, Average, SampleCount, Sum

Unit: Count

ResponseLatency

The latency between when the request was made and the start of the streaming response.

Valid Dimensions: Operation

Valid Statistics: Minimum, Maximum, Average, SampleCount

Unit: milliseconds

2XXCount

HTTP 200 level code returned upon a successful response.

Valid Dimensions: Operation

Valid Statistics: Average, SampleCount, Sum

Unit: Count

4XXCount

HTTP 400 level error code returned upon an error. For each successful response, a zero (0) is emitted.

Valid Dimensions: Operation

Valid Statistics: Average, SampleCount, Sum

Unit: Count

5XXCount

HTTP 500 level error code returned upon an error. For each successful response, a zero (0) is emitted.

Valid Dimensions: Operation

Valid Statistics: Average, SampleCount, Sum

Unit: Count

Dimensions for Amazon Polly Metrics

Amazon Polly provides metrics for the following dimension.

Dimension Description

Operation

Metrics are grouped by the API method they refer to. Possible values are SynthesizeSpeech, PutLexicon, DescribeVoices, etc.