Cloud Architecture

Serverless Dead Letter Queue Healing Loop

Cloud Architecture diagram · made in Skemio

Serverless self-healing loop: Primary SQS to Worker Lambda, error routing to DLQ, Inspector Lambda sorting to S3 or redrive to Primary SQS.
Serverless self-healing loop: Primary SQS to Worker Lambda, error routing to DLQ, Inspector Lambda sorting to S3 or redrive to Primary SQS.
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What it shows

  • Unprocessable events drop to an SQS DLQ to prevent blocking the pipeline.
  • An inspector Lambda classifies errors into transient glitches or poison pills.
  • Resolved payloads trigger an automated redrive back into the primary queue.

The takeaway

An automated DLQ replay workflow turns silent data drops into self-healing, auditable pipelines.

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