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sysdesign-dead-letter-queue

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Reliable DLQ with retry and reprocess flow.

Software Engineering#messaging#alerting#idempotency#backoff#dead-letter-queue#retry-policy
Authordanilods
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Isolate and manage failed messages in queue/stream systems by providing a dead-letter queue (DLQ), disciplined retry with backoff, alerting on growth, and a safe reprocess-after-fix workflow.

Core Features & Use Cases

  • DLQ per consumer group for isolation of failures and easier remediation.
  • Exponential backoff with jitter to avoid thundering retries and cascading issues.
  • Growth alerting and retention to surface incidents without overwhelming dashboards.
  • Reprocess-after-fix runbook to move messages back after a patch, with safeguards for idempotency.

Quick Start

Configure your consumer to route failed messages to the DLQ and trigger the reprocess-after-fix workflow once the issue is resolved.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: sysdesign-dead-letter-queue
Download link: https://github.com/danilods/matilha-sysdesign-pack/archive/main.zip#sysdesign-dead-letter-queue

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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