# How we could save petabytes of cache storage with Zstandard and Pingora

DevFeed: [How we could save petabytes of cache storage with Zstandard and Pingora](<https://devfeed.tech/articles/how-we-could-save-petabytes-of-cache-storage-with-zstandard-and-pingora-109.md>)

Original publisher: [Read original article](<https://blog.cloudflare.com/cache-transcoding/>)

Author: Aashi Patel

Published: 2026-09-01T12:59:00Z

Content type: article

Language: en

Sources: [Cloudflare Blog](<https://devfeed.tech/sources/cloudflare-blog.md>)

Topics: [Caching](<https://devfeed.tech/topics/caching.md>), [Pingora](<https://devfeed.tech/topics/pingora.md>), [cloud-infrastructure](<https://devfeed.tech/topics/cloud-infrastructure.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>)

Tags: [cache](<https://devfeed.tech/tags/cache.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [compression](<https://devfeed.tech/tags/compression.md>), [cpu](<https://devfeed.tech/tags/cpu.md>), [data-center](<https://devfeed.tech/tags/data-center.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [internship-experience](<https://devfeed.tech/tags/internship-experience.md>), [performance](<https://devfeed.tech/tags/performance.md>), [pingora](<https://devfeed.tech/tags/pingora.md>), [prototyping](<https://devfeed.tech/tags/prototyping.md>), [storage](<https://devfeed.tech/tags/storage.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

Cloudflare describes a Cache Transcoding prototype that stores eligible cached assets in Zstandard-compressed form. The approach aims to increase effective cache capacity and reduce inter-data-center transfers while adding a small CPU cost during cache fills.

## Source excerpt

Could we get more cache space with the same hardware? We prototyped compression inside Cloudflare's cache to find out.