---
title: "Discussion on \"One Leader, Many Witnesses: Consensus and Leader Election, Explained Like You're New\" | Hashnode"
description: "Discussion on \"One Leader, Many Witnesses: Consensus and Leader Election, Explained Like You're New\". Your database cluster has three machines. The leader dies mid-write. In the next two seconds, two different replicas each conclude that they are in charge, accept writes the other never sees, and your"
url: "https://hashnode.com/posts/one-leader-many-witnesses-consensus-and-leader-election-explained-like-you-re-new/6ae847886694427f0f133aff"
---

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# [One Leader, Many Witnesses: Consensus and Leader Election, Explained Like You're New](https://blueprintsofscale.hashnode.dev/one-leader-many-witnesses-consensus-and-leader-election-explained-like-you-re-new?utm_source=hashnode&utm_medium=feed)

Your database cluster has three machines. The leader dies mid-write. In the next two seconds, two different replicas each conclude that they are in charge, accept writes the other never sees, and your

Nov 2 · 37 min read · blueprintsofscale.hashnode.dev  
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-   [#system-design](https://hashnode.com/tag/system-design)
-   [#distributed-systems](https://hashnode.com/tag/distributed-systems)
-   [#consensus](https://hashnode.com/tag/consensus)

## Written by

[Sarmeet Singh](https://hashnode.com/@blueprintsofscale)

@blueprintsofscale · New York City, USA

  
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