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This article shows you how to implement Golang based on Etcd and Raft coordination services. The content is concise and easy to understand, which will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

We use Etcd as middleware to develop specific applications based on Raft protocol algorithm. Raft protocol itself is a consensus algorithm of leader-based, which is often used in distributed systems (elected into one Master, multiple worker) to solve the problem of content consistency, but also makes the cluster have a certain fault tolerance. In addition, it is mentioned that Consul is also an algorithm implementation based on Raft protocol. The language implementation of Golang is used in this article, but the principle is the same as that of other language implementations.

Package main

Import ("go.etcd.io/etcd/clientv3"time"fmt"context")

Func main () {var (config clientv3.Config client * clientv3.Client err error lease clientv3.Lease leaseGrantResp * clientv3.LeaseGrantResponse leaseId clientv3.LeaseID keepRespChan)

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