symfony:symfony-cache

To implement idempotent Symfony Messenger handlers, design message handlers that can be safely executed multiple times without unintended side effects. This ensures at-least-once delivery semantics do not create duplicates during temporary connection failures or retries.

You configure retry strategies in Symfony to automatically retry failed asynchronous tasks, improving system resilience. This allows temporary errors, like database connection issues, to be resolved without losing the message processing attempt.

Failure transports in Symfony Messenger are specific destinations for messages that repeatedly fail processing. They serve as poison-message strategies, isolating problematic messages so they do not block the main queue and allow operational investigation.

You add operational visibility to Symfony async workflows by implementing mechanisms for monitoring and understanding the status of asynchronous operations. This ensures you can track message handling and error management effectively across Messenger and Scheduler.

Yes, Symfony Messenger supports at-least-once delivery semantics for resilient workflows. By combining this delivery approach with deterministic handlers and idempotency, the system ensures messages are eventually processed correctly without unintended side effects.