June 2016
Beginner
248 pages
5h 18m
English
Content preview from Learning Node.js for .NET DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Scaling real-time Node.js applications
Since our chat messages are being relayed via the server, clients can currently only communicate with other clients connected to the same server. This is a problem if we want to scale our application horizontally across many servers.
This is easy to fix, but tricky to demonstrate. To do so, we need to have two separate instances of our application running. This will be more realistic and more useful if they are also using the same shared databases for persistence. So we need to start up MongoDB and Redis, then start two instances of our application on different ports (so that they don't collide).
This means running all of the following commands (replacing the dbpath of MongoDB as appropriate for your setup): ...
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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.