X-Ray Sampling

• Control the amount of data you record
• Can modify the sample rule without changing your code or restart application
• By default sampling rule:
  • reservoir: 1
    • at least 1 request is sent to Xray each second as long as service is serving request
  • rate: 5%
    • additional request beside the reservoir are sampled 5%
• Custom Sampling Rules
  • 
  • First one:
    • 10 request per seconds will be send to xray. and 10% of other requests will be sent as well
  • Second one
    • 1 request per second and 100% of other request will be send
    • That means send all requests