# Monitoring your metrics with CloudWatch
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You can monitor Amazon Braket using Amazon CloudWatch, which collects raw data and processes it into readable, near real-time metrics. You view historical information generated up to 15 months ago or search metrics that have been updated in the last 2 weeks in the Amazon CloudWatch console to gain a better perspective on how Amazon Braket is performing. To learn more, see [Using CloudWatch metrics](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/working_with_metrics.html).

**Note**  
You can view the CloudWatch log streams for Amazon Braket notebooks by navigating to the **Notebook detail** page on the Amazon SageMaker AI console. Additional Amazon Braket notebook settings are available through the [SageMaker console](https://console.aws.amazon.com/sagemaker/).

**Topics**
+ [Amazon Braket metrics and dimensions](#braket-metric-dimensions)

## Amazon Braket metrics and dimensions
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Metrics are the fundamental concept in CloudWatch. A metric represents a time-ordered set of data points that are published to CloudWatch. Every metric is characterized by a set of dimensions. To learn more about metrics dimensions in CloudWatch, see [CloudWatch dimensions](https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_concepts.html#Dimension).

 Amazon Braket sends the following metric data, specific to Amazon Braket, into the Amazon CloudWatch metrics:

 **Quantum Task Metrics** 

Metrics are available if quantum tasks exist. They are displayed under ** AWS/Braket/By Device** in the CloudWatch console.


| Metric | Description | 
| --- | --- | 
|  Count  |  Number of quantum tasks.  | 
|  Latency  |  This metric is emitted when a quantum task has completed. It represents the total time from quantum task initialization to completion.  | 

 **Dimensions for Quantum Task Metrics** 

The quantum task metrics are published with a dimension based on the `deviceArn` parameter, which has the form **arn:aws:braket:::device/xxx**.