Raft | martinuke0's Blog

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Implementing Raft Consensus: Log Replication, Leader Elections, and Network Partitions

Learn how to implement Raft consensus with practical examples on log replication, leader election, and network partition handling.

Diagram of a Multi-Paxos group with a leader, followers, and learners synchronizing a replicated log.

Implementing a Multi-Paxos Consensus Log: Learners, Leadership, and Crash Recovery

Understanding how Multi-Paxos achieves consensus through leader election, log replication, and learner synchronization, with practical crash recovery strategies.

Diagram of a Raft cluster with one leader, two followers, and lease timing arrows.

Architecting Fault-Tolerant State Machines with etcd's Raft: Lease Semantics and Split-Brain Recovery

A practitioner’s deep dive into how etcd’s Raft implementation prevents split-brain through leader leases, quorum checks, and recovery protocols — with patterns for building fault-tolerant state machines on top.

A stylized cluster of three nodes with one leader highlighted, representing etcd's Raft consensus.

Inside etcd's Raft Implementation: Lease-Based Leader Election and Read Consistency

How etcd uses Raft with lease-based leader election, read-index protocol, and a backend MVCC store to deliver strict consistency for Kubernetes and other control planes.

Stylized illustration of streaming partitions and a Raft consensus diagram.

Inside Redpanda: How a Kafka-Compatible Engine Replaces ZooKeeper for Streaming

A deep dive into Redpanda’s C++ core, the Raft-based controller quorum that replaces ZooKeeper, and what tradeoffs come with deleting a coordination service from your streaming stack.