ArchitectureBackendDeferred ACK in Apache Camel: Building a Reliable Batch Processing Pipeline with PulsarLearn now Toast uses a Deferred ACK pattern in Apache Camel to prevent message loss during Pulsar batching. Arpit GoyalGeneral EngineeringHow Toast Safely Deploys Background WorkersTo decouple services, we make use of events and asynchronous messaging for service-to-service communication. This post describes the system we built.Zach Walsh