# Understanding and scaling Raft

DevFeed: [Understanding and scaling Raft](<https://devfeed.tech/articles/understanding-and-scaling-raft-39636.md>)

Original publisher: [Read original article](<https://www.gauravsarma.com/posts/2025-04-04_understanding-and-scaling-raft>)

Published: 2025-04-04T00:00:00Z

Content type: tutorial

Language: en

Sources: [Gaurav Sarma's Blog](<https://devfeed.tech/sources/gaurav-sarma-s-blog.md>)

Topics: [Raft](<https://devfeed.tech/topics/raft.md>), [consensus algorithm](<https://devfeed.tech/topics/consensus-algorithm.md>), [distributed-systems](<https://devfeed.tech/topics/distributed-systems.md>), [scaling](<https://devfeed.tech/topics/scaling.md>), [CockroachDB](<https://devfeed.tech/topics/cockroachdb.md>), [Databases](<https://devfeed.tech/topics/databases.md>)

Tags: [cockroachdb](<https://devfeed.tech/tags/cockroachdb.md>), [consensus-algorithm](<https://devfeed.tech/tags/consensus-algorithm.md>), [databases](<https://devfeed.tech/tags/databases.md>), [distributed-systems](<https://devfeed.tech/tags/distributed-systems.md>), [raft](<https://devfeed.tech/tags/raft.md>), [replication](<https://devfeed.tech/tags/replication.md>), [scaling](<https://devfeed.tech/tags/scaling.md>)

## AI overview

This tutorial explains the Raft consensus algorithm, including leader election, log replication, safety guarantees, and the network cost of consensus. It also introduces the Multi-Raft pattern for scaling distributed databases by splitting data into ranges with independent Raft groups.

## Source excerpt

. [Understanding and Scaling Raft](understanding-and-scaling-raft-cover...