Real-time distributed tracing for Go and Java Lambda Functions

Datadog has released distributed tracing for AWS Lambda functions written in Python and Node.js, and now also supports Go and Java. This feature enables real-time visibility across serverless applications, allowing developers to monitor performance and identify code-level issues such as poorly performing goroutines or syntax problems in Java functions. The tracer automatically captures requests across all components of the environment, providing an end-to-end view of application performance. It can detect cold starts automatically and tag slow request traces with a `cold_start` attribute, making it easier to take mitigating actions. With support for Go and Java Lambda functions, Datadog APM helps developers gain real-time visibility into the performance of their serverless applications without requiring any code changes or configuration.

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