XRay

 A service that can be used to collect cross-workload traffic metrics and information.  - allows users to understand how requests travel through their applications  - integrates with CloudWatch where X-Ray data can be analyzed in greater detail

  • You have to prepare your apps for tracing with XRay
    • add extra code
    • install a daemon service in the app environment
    • save tracing events with certain code snippets the daemon sends that data back to AWS & you can analyze these traces
  • analyze traces
    • view traffic flow across applications/services
    • can be combined with other monitoring tools like CloudWatch for more detailed insight