# How Tinybird's storage architecture works: S3, local caching, and zero-copy replication

DevFeed: [How Tinybird's storage architecture works: S3, local caching, and zero-copy replication](<https://devfeed.tech/articles/how-tinybird-s-storage-architecture-works-s3-local-caching-and-zero-copy-replication-18688.md>)

Original publisher: [Read original article](<https://www.tinybird.co/blog/tinybird-architecture>)

Author: Daniel Pozo, Irene Martínez

Published: 2026-03-02T10:00:00Z

Content type: article

Language: en

Sources: [Tinybird](<https://devfeed.tech/sources/tinybird.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [Replication](<https://devfeed.tech/topics/replication.md>), [cloud-infrastructure](<https://devfeed.tech/topics/cloud-infrastructure.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [caching](<https://devfeed.tech/tags/caching.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [engineering-excellence](<https://devfeed.tech/tags/engineering-excellence.md>), [object-storage](<https://devfeed.tech/tags/object-storage.md>), [replication](<https://devfeed.tech/tags/replication.md>), [run](<https://devfeed.tech/tags/run.md>), [s3](<https://devfeed.tech/tags/s3.md>), [ssd](<https://devfeed.tech/tags/ssd.md>), [storage](<https://devfeed.tech/tags/storage.md>), [zero-copy](<https://devfeed.tech/tags/zero-copy.md>)

## AI overview

This article explains how Tinybird runs ClickHouse on object storage using local SSD caching, zero-copy replication, and a packed part format. It states that the format reduces S3 costs by 30-40%.

## Source excerpt

How we run ClickHouse on top of object storage with local SSD caching, zero-copy replication, and a packed part format that cuts S3 costs by 30-40%.