AWS Lambda by Amazon Web Services

Author:Amazon Web Services
Language: eng
Format: mobi
Publisher: Amazon Web Services
Published: 2020-07-15T00:00:00+00:00

The processor function uses information from the CloudWatch Logs event to download the full log stream and X-Ray trace for a request that caused an error. It stores both in an Amazon S3 bucket. To allow the log stream and trace time to finalize, the function waits for a short period of time before accessing the data.

Instrumentation with AWS X-Ray

The application uses AWS X-Ray to trace function invocations and the calls that functions make to AWS services. X-Ray uses the trace data that it receives from functions to create a service map that helps you identify errors. The following service map shows the random error function generating errors for some requests. It also shows the processor function calling X-Ray, CloudWatch Logs, and Amazon S3.

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