Leader-Election

etcd cluster nodes participating in Raft consensus

Architecting Fault‑Tolerant Service Discovery with etcd and Raft: A Deep Dive into Leader Election

Learn how etcd implements Raft-based leader election and how to design resilient service discovery patterns for production systems.

Master

A deep dive into the master node pattern, exploring leader election, failover strategies, and consistency guarantees for building resilient distributed systems.

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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 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.