Raft

etcd Explained

A focused look at etcd, the distributed key-value store that backs Kubernetes cluster state, covering Raft consensus, its data model, and operational best prac…

What are Raft and Paxos? Consensus Algorithms Explained

Raft and Paxos are consensus algorithms that let a group of distributed nodes agree on a single value or an ordered sequence of operations even when some nodes…

What Is Consensus in Distributed Systems?

Consensus is the problem of getting a set of distributed nodes to agree on a single value despite some nodes failing or messages being delayed, solved in pract…

What is Quorum-based Consensus and How Does It Work?

Quorum-based consensus requires a minimum number of nodes (a quorum) to agree before a read or write is considered successful, typically enforcing that the rea…

What is the Raft Consensus Algorithm?

Raft is a consensus algorithm that lets a cluster of nodes agree on a single, replicated sequence of operations by electing one leader per term who owns all wr…

What is the Split-Brain Problem in Distributed Systems?

Split-brain is a failure mode in a clustered system where a network partition causes two or more nodes to each believe they are the sole leader, resulting in m…