AWS X-Ray Adds Support for Controlling Sampling Rate from the X-Ray Console

You can now control the rate at which your application records the service requests through X-Ray console, AWS SDKs, and X-Ray API. This helps you control costs and adjust sampling rate during an operational event without the need to redeploy or restart your application. 

You can more learn more about how to control sampling rate here. To get more information about AWS X-Ray, please visit our documentation.