# CloudWatch metrics and dimensions for Amazon Translate
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To monitor your solution's performance, use the Amazon CloudWatch metrics and dimensions for Amazon Translate.

## CloudWatch Metrics for Amazon Translate
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| Metric | Description | 
| --- | --- | 
| CharacterCount | The number of billable characters in requests. Valid dimensions: Language pair, Operation Valid statistics: Average, Maximum, Minimum, Sum Unit: Count  | 
| ResponseTime | The time that it took to respond to a request. Valid dimensions: Language pair, Operation Valid statistics: Data samples, Average Unit: For Data samples, count. For Average statistics, milliseconds.  | 
| ServerErrorCount | The number of server errors. The HTTP response code range for a server error is 500 to 599. Valid dimension: Operation Valid statistics: Average, Sum Unit: Count | 
| SuccessfulRequestCount | The number of successful translation requests. The response code for a successful request is 200 to 299. Valid dimension: Operation Valid statistics: Average, Sum Unit: Count | 
| ThrottledCount | The number of requests subject to throttling. Use `ThrottledCount` to determine if your application is sending requests to Amazon Translate faster than your account is configured to accept them. For more information, see [Amazon Translate Limits](https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html#limits_amazon_translate) in the *Amazon Web Services General Reference*.  Valid dimension: Operation Valid statistics: Average, Sum Unit: Count | 
| UserErrorCount | The number of user errors that occurred. The HTTP response code range for a user error is 400 to 499.  Valid dimension: Operation Valid statistics: Average, Sum Unit: Count | 

## CloudWatch Dimensions for Amazon Translate
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Use the following dimensions to filter Amazon Translate metrics. Metrics are grouped by the source language and the target language.


| Dimension | Description | 
| --- | --- | 
| LanguagePair | Restricts the metrics to only those that contain the specified languages. | 
| Operation | Restricts the metrics to only those with the specified operation. |