---
title: "Discussion on \"Understanding MongoDB Replicasets and Write Concern - Part 1\" | Hashnode"
description: "Discussion on \"Understanding MongoDB Replicasets and Write Concern - Part 1\". Introducing Replicasets\nThe way to achieve fault tolerance in MongoDB is through the use of replica sets. \nstateDiagram-v2\n    [*] --> Application\n    direction LR\n    state Application\n    Application --> replicaset      \n   state replicaset\n    {\n ..."
url: "https://hashnode.com/posts/mongodb-replicaset-write-concern-read-pref/658e75a382fadba13996a44b"
---

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# [Understanding MongoDB Replicasets and Write Concern - Part 1](https://blog.robinjiang.com/mongodb-replicaset-write-concern-read-pref?utm_source=hashnode&utm_medium=feed)

Introducing Replicasets The way to achieve fault tolerance in MongoDB is through the use of replica sets. stateDiagram-v2 \[\*\] --> Application direction LR state Application Application --> replicaset state replicaset { ...

Dec 29, 2023 · 6 min read · blog.robinjiang.com  
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