March 2020
Intermediate to advanced
328 pages
7h 58m
English
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Run Multiple Servers
To deal with the large scale of Sneakers23’s online operation, we’ll need to run multiple servers at once. Running multiple servers can be difficult when in-memory data structures are used because updates are not automatically sent across the cluster. However, the scalability is certainly worth it. We have already discussed how Phoenix deals with this by broadcasting messages to all connected nodes, and we’ll use a similar solution to broadcast our Inventory changes across the cluster. Let’s start by demonstrating the particular problem we’re facing.
The Challenge of Distribution
Running multiple servers exposes a problem. The current Inventory.Server process only knows about its own transactions. This means that if an item ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.