Developing Asynchronous Polyglot Applications with vert.x
summary
Vert.x is a Netty-based JVM platform that uses one reactor loop per core and ties each deployed verticle to a single event loop for thread confinement, supports Java/Clojure/ClojureScript/Ruby in the demo, and runs a sample pipeline that publishes a random word every 100ms from a Ruby verticle to a JSON-based event bus. The event bus is clusterable via Hazelcast, transient (no durability), can be bridged to browsers via SockJS, and the demo wires filters, a Redis-backed counter module, and a JS web server — callback-heavy but functional.
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chapters (16)
- 0:00Start
- 4:23Reactor Loop
- 8:18Vertex Container
- 10:04Periodic Timers
- 10:18Publishing to the Event Bus
- 11:20Closure Code
- 20:40Go Loop
- 22:08Initialization
- 23:57Takeaways
- 25:49Trade-Offs
- 26:23Language Ecosystem Friction
- 28:10Worker Verticals
- 29:04Ring Vertex Adapter
- 31:51Failure Modes on the Event Bus and High Availability
- 32:08Timeouts
- 32:29High Availability
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