What is Azure Event Hubs?

Azure Event Hubs is a fully managed cloud service for high-throughput event ingestion and streaming. It is designed to receive and process very large volumes of events from applications, devices, services, and other data sources. A typical architecture is: Event Producers → Event Hubs → Consumers/Stream Processing → Data Store/Analytics Common producers include: IoT devices Web and mobile applications Application logs Telemetry systems Business applications Distributed services Event Hubs organizes incoming events into partitions, allowing consumers to process data in parallel. Consumer applications can track their position in the event stream using consumer groups and checkpoints, making it possible for multiple independent applications to process the same event stream. One important distinction is that Event Hubs is primarily designed for event streaming and ingestion, rather than traditional point-to-point messaging. For scenarios requiring enterprise messaging patterns such as queues, commands, transactions, or complex message workflows, Azure Service Bus may be more appropriate. Key considerations when designing Event Hubs solutions include: Partition strategy Throughput requirements Consumer groups Retention Checkpointing Ordering requirements Scaling Authentication and authorization Monitoring In short, Azure Event Hubs is best suited for scenarios where an organization needs to ingest and process massive streams of events reliably and at scale.