Ravi Sir's Cards › AWS
X-Ray across services
This revision card explains X-Ray across services. It starts from the need that logs alone cannot show which hop ate the latency. It describes active tracing + Powertools Tracer links Lambda to downstream calls. The how-to section covers how to enable active tracing , then sample wisely , then open the service map on incidents. An example on the card is ravi Sir opens the service map before guessing the slow API.
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What this card says
Why do we need it?
Logs alone cannot show which hop ate the latency.
What is it?
Active tracing + Powertools Tracer links Lambda to downstream calls.
X-Ray
How to do it
Enable active tracing → sample wisely → open the service map on incidents.
Example
Ravi Sir opens the service map before guessing the slow API.