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Editor of Event-driven Utopia(eventdrivenutopia.com). Engineer, Writer, Works @ WSO2. Thinks event-driven systems will save the world someday.

What are event-driven APIs? How do they differ from REST APIs? How to use the Webhooks, WebSockets, and Server-Sent Events to build them?

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Polling is dead. We must move on


Why Dapr excels at building distributed, loosely-coupled, event-driven Microservices

A visual guide to Dapr by Nitya Narasimhan

Dapr — Distributed Application Runtime


How to detect, capture, and propagate changes in source databases to target systems in real-time, event-driven manner

A Rube Goldberg Machine — Credits

The motivation behind CDC


Use Apache Pinot to ingest fitness band events from a Kafka topic and make them available for immediate querying from a leaderboard web app.

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Analytics for the masses, is that a joke?


How to implement a simple Kafka consumer that detects and discards duplicate messages.

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Why do we receive the same message more than once?


How to turn a stream of events into a table and vice versa? How that leads to materialized views?

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Event capture state changes


Friends don’t let friends do dual writes!

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The problem with dual writes


How to notify UI clients about the progress of long-running async tasks that goes beyond the scope of an HTTP request.

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How to speed up and scale-out inter-service queries using a dedicated materialized view database that caches queries.

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Background


How to apply the practices of Change Data Capture to reliably move data from operational databases to other systems for other purposes.

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Dunith Dhanushka

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