---
title: "Zstandard"
description: "1 posts about Zstandard, summarised, each linking to the original."
---

# Zstandard
> 1 posts about Zstandard, summarised, each linking to the original.

## Articles

### [How we could save petabytes of cache storage with Zstandard and Pingora](https://yomu.fyi/post/how-we-could-save-petabytes-of-cache-storage-with-zstandard-and-pingor.md)
- Company: [Cloudflare](https://yomu.fyi/company/cloudflare.md)
- Author: Aashi Patel
- Published: Sep 1, 2026

Cloudflare prototyped Cache Transcoding, a Pingora-based architecture that stores eligible cache responses as Zstandard (zstd) rather than their original representation. On a fill, the proxy compresses qualifying uncompressed text at zstd level 3, records the compressed representation and original content length, keeps it compressed on disk and between Tiered Cache layers, and decodes it on the client-facing path. Eligibility requires a 200 OK response, compressible text, no existing Content-Encoding, known Content-Length of at least 4 KiB, and excludes several request and binary-content cases. In initial tests, eligible assets shrank to roughly one-third of their original on-disk size, with a 2.834x ratio, while encoding cost 4.31 ns per byte and decoding 1.56 ns; the modeled CPU increase stayed within budget, though broader testing remains necessary.