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PRODUCT UPDATECLOUDFLAREVERIFIED

PUBLISHER UPDATE · CLOUDFLARE-1.1.1.1

CLOUDFLARE-1.1.1.1 release notes and known issues

How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache

Scope: Cloudflare products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.

Improvements and security content

  • Five Rust-level memory optimizations to the DNS cache layout of Big Pineapple cut per-entry memory by 56%, freeing approximately 100 TB of memory across Cloudflare's fleet.

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Cloudflare products

Affected versions

  • 1.1.1.1

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

CLOUDFLAREVERIFIED

How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache

Checked 26 Sep 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source