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Raft Consensus Algorithm

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Technology explained

What is Raft Consensus Algorithm?

Raft is a consensus algorithm that lets a cluster maintain one replicated log despite node failures and network disruption. This profile connects the concept to KBY's practical engineering guidance.

A leader accepts changes and replicates ordered log entries to followers, while terms and majority voting govern elections and commitment. Raft makes consensus easier to understand than many alternatives, but membership changes, persistence and application state machines still require careful implementation.

Primary purpose

Keep distributed replicas in agreement on an ordered sequence of changes.

Typical environments
Distributed Systems
Typical use cases
  • Distributed consensus in etcd or Consul
  • Leader election
  • Building fault-tolerant systems
Connected knowledge

2 resources for Raft Consensus Algorithm

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Technology journey

Learn and operate with Raft Consensus Algorithm

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Lexicon Definitions(2)

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