March 2021
Intermediate to advanced
260 pages
5h 45m
English
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What Is Raft and How Does It Work?
Raft is a distributed consensus algorithm designed to be easily understood and implemented. It’s the consensus algorithm behind services like Etcd—the distributed key-value store that backs Kubernetes, Consul, and soon Kafka, whose team is migrating from ZooKeeper to Raft.[48] Because Raft is easy to understand and implement, developers have written many quality Raft libraries used in many projects and it’s become the most widely deployed consensus algorithm today.
Let’s talk about Raft’s leader election first and then talk about its replication, and that’ll transition into coding replication in our service.
Leader Election
A Raft cluster has one leader and the rest of the servers are followers. The leader ...
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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.