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Announcing new Amazon CloudWatch Metrics for AWS Lambda Event Source Mappings (ESMs)

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AWS Lambda has introduced new Amazon CloudWatch metrics for Lambda Event Source Mappings (ESMs) that provide enhanced visibility into event processing across different event sources.

  • Supports event sources like Amazon SQS, Amazon Kinesis, and Amazon DynamoDB
  • New metrics help diagnose and monitor event processing issues
  • Seven new CloudWatch metrics added, including:
    • PolledEventCount (events read by ESM)
    • InvokedEventCount (events invoking Lambda function)
    • FilteredOutEventCount (events filtered out)
    • FailedInvokeEventCount (events failing to invoke)
  • Generally available in all AWS Commercial Regions
  • Can be enabled through multiple AWS management interfaces

This feature allows customers to more effectively track and troubleshoot event processing in their Lambda functions.

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