MongoDB Tutorial 0/120 lessons ~6 min read Lesson 74“Document-first database engineering”

Database Tuning

Tuning a MongoDB cluster means right-sizing storage, RAM and CPU; choosing shard keys wisely; and applying read/write concerns appropriately for each workload.

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Focus

2 guided sections

Practice signal

Examples included

Career prep

Foundation builder

Introduction

Tuning a MongoDB cluster means right-sizing storage, RAM and CPU; choosing shard keys wisely; and applying read/write concerns appropriately for each workload.

Best practices

Use w: majority for durability-critical writes.
Use readPreference: secondary to offload analytics.

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