# Understanding How DynamoDB Scales

DevFeed: [Understanding How DynamoDB Scales](<https://devfeed.tech/articles/understanding-how-dynamodb-scales-18021.md>)

Original publisher: [Read original article](<https://blog.guilleojeda.com/understanding-how-dynamodb-scales>)

Author: Guillermo Ojeda

Published: 2023-10-19T14:40:53Z

Content type: tutorial

Language: en

Sources: [Guille Ojeda](<https://devfeed.tech/sources/guille-ojeda.md>)

Topics: [NoSQL](<https://devfeed.tech/topics/nosql.md>), [Database](<https://devfeed.tech/topics/database.md>), [Serverless](<https://devfeed.tech/topics/serverless.md>), [Availability](<https://devfeed.tech/topics/availability.md>), [Resilience](<https://devfeed.tech/topics/resilience.md>), [Transactions](<https://devfeed.tech/topics/transactions.md>), [Provisioning](<https://devfeed.tech/topics/provisioning.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [availability](<https://devfeed.tech/tags/availability.md>), [aws](<https://devfeed.tech/tags/aws.md>), [databases](<https://devfeed.tech/tags/databases.md>), [distributed](<https://devfeed.tech/tags/distributed.md>), [dynamodb](<https://devfeed.tech/tags/dynamodb.md>), [nosql](<https://devfeed.tech/tags/nosql.md>), [partition](<https://devfeed.tech/tags/partition.md>), [provisioning](<https://devfeed.tech/tags/provisioning.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [serverless](<https://devfeed.tech/tags/serverless.md>), [transactions](<https://devfeed.tech/tags/transactions.md>)

## AI overview

This tutorial explains how DynamoDB scales horizontally through partitioning and replication across nodes. It compares provisioned capacity for reads and writes and explains read and write capacity units, consistency, data size limits, and the doubled capacity use of transactions.

## Source excerpt

Note: This content was originally published at the Simple AWS newsletter. As you probably know, DynamoDB is a NoSQL database. It's a managed, serverless service, meaning you just create a Table (that's the equivalent of a Database in Postgres), and A...