Consensus

Diagram of Raft nodes with timers highlighting random election timeouts.

How Random Timers Prevent Deadlock in Raft Leader Elections

This post explains why Raft uses randomized election timeouts, how they avoid deadlock, and what implementation details matter for robust leader elections.

Illustration of two server nodes both holding a crown, symbolizing a split‑brain leader conflict.

When Two Nodes Believe They Are Leader

Explore the root causes of dual‑leader situations, their impact on consistency, and proven strategies to keep your cluster healthy.

Diagram of Cassandra nodes exchanging gossip messages.

How Cassandra Reaches Consensus Through Peer Gossip

A deep dive into Cassandra’s gossip mechanics, failure detection, and the way it underpins consistency guarantees.

Diagram of Raft leader and follower nodes.

The Raft Consensus Algorithm: A Deep Dive Into Distributed State Machines

A thorough walkthrough of Raft’s core components, leader election, log replication, safety guarantees, and practical implementation tips.

Illustration of Raft nodes communicating in a distributed system.

Optimizing Distributed Consensus: Tuning Raft for High Throughput and Low Latency Systems

A deep dive into practical Raft tuning techniques that boost throughput while keeping latency minimal.