Guides ยท Technology
Dead Letter Queues
Handle failed messages
Dead letter queues store messages that repeatedly fail processing, preventing retries from blocking the main queue and enabling inspection and remediation.
- dlq
- retries
- poison messages
- isolation
- inspection
Route to DLQ
Send messages after max retries to a separate queue.
Inspect
Review payloads and errors to fix root causes.
Recover
Replay after fixes or drop with justification; monitor DLQ volume.
Keep Exploring
Guides
API Basics
APIs let software request data or actions from other systems through defined endpoints and responses.
Comparison
RAM vs Storage
RAM handles what your device is actively working on, while storage keeps apps, files, and system data available over time.
How it works
Global Positioning System
GPS uses timing signals from satellites to calculate a receiver's position on Earth.
What it is
Blockchain
A blockchain is a distributed ledger secured by cryptography and consensus nodes.