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Real-Time Phoenix
book

Real-Time Phoenix

by Stephen Bussey
March 2020
Intermediate to advanced
328 pages
7h 58m
English
Pragmatic Bookshelf
Content preview from Real-Time Phoenix

PubSub

Phoenix.PubSub (publisher/subscriber) powers topic subscription and message broadcasting in our real-time application. Channels use PubSub internally, so we will rarely interact with it directly. However, it’s useful to understand PubSub because we’ll need to configure it properly for our application to ensure performance and communication availability.

PubSub is linked between a local node and all connected remote nodes. This allows PubSub to broadcast messages across the entire cluster. Remote message broadcasting is important when we have a situation where a client is connected to node A of our cluster, but a message originates on node B of our cluster. PubSub handles this for us out-of-the-box, but we do need to make sure that the ...

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Publisher Resources

ISBN: 9781680507744Errata Page