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Consensus algorithms at scale: Part 8 - Closing thoughts

Blog post from PlanetScale

Post Details
Company
Date Published
Author
Sugu Sougoumarane
Word Count
855
Company Posts That Month
12
Language
English
Hacker News Points
-
Post removed?
No
Summary

This article series reconceptualizes consensus systems, moving beyond the traditional Paxos and Raft algorithms. It introduces pluggable durability, a system where durability rules can be specified with plugins, allowing for more flexibility in deploying nodes without affecting performance. The series also redefines leadership change as a two-step process: revocation and establishment, offering multiple methods to achieve this goal. Additionally, it discusses handling races, completing and propagating requests, and the implementation of Vitess, which utilizes these flexibilities to provide a scalable and efficient consensus system.

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