Azure Functions Eventing and Stream Processing

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Azure Functions Eventing + Stream Processing Daron Yöndem http://daron.me @daronyondem

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Eventing you said? • Service Bus: Async Enterprise Messaging • Azure Event Hubs: Distributed Data Streaming • Relay: Secure two way communication without changes to your network • Event Grid: Cross cloud reactive eventing

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Azure Event Grid All events in one place!

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What’s in it? • Pay per event. • Sub-second end-to-end latency in the 99th percentile • 10.000.000 events per second per region • 24 hour retry with exponential back off

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Concepts before we go deep. 1. Events: what happened 2. Event Publishers: where it took place 3. Topics: where publishers send events 4. Event Subscriptions: how you receive events 5. Event Handlers: the app or service reacting to the event

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Azure Functions Eventing to the outside world. DEMO

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What about Event Hubs? • Event Hub is an “event ingestor” that accepts and stores event data, Azure Event Grid is the distribution fabric for discrete “business logic activity” events. • Fast and highly parallelized processing of the individual streams instead of a filtered subscriber model.

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Ingesting events from Azure Event Hubs DEMO

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Links worth sharing Event Grid Extension for Azure Functions • https://goo.gl/7z88G3 Choosing the right Azure messaging service for your data • https://goo.gl/19YPDZ

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Thanks http://daron.me | @daronyondem Download slides here; http://daron.me/decks