AWS Serverless Distributed Tracing With X-Rays

AWS X-Ray

AWS X-Ray provides distributed tracing for every Lambda function or API stage in API Gateway.

A Trace collects all request segments.

A segment is a part of a request.

It also works with Amazon SNS to track messages.

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Distributed tracing with AWS X-Rays is a best practice for event-driven, separated applications.

Tracing headers may be retrieved and propagated using the trace ID.

The SDK provides data about incoming and outgoing requests to the X-Ray in batches to X-Ray.

The X-Ray receives data from services as segments and organizes them into traces.

In each service integration point, it builds a graph including successful and failed calls.

It automatically indexes key-value pairs with text, integer, or Boolean values.

Some services generate subsegments automatically.

Subsegments can let you see application performance at a finer level.

Subsegments can also be used to debug or annotate code blocks.