Performance Articles

Cloudflare explains how their FL2 Rust-based request handling layer enabled 2x edge compute performance on Gen 13 servers powered by AMD EPYC Turin processors.

Hardware

Performance

Infrastructure

We deserve a better streams API for JavaScript

This article critiques the WHATWG Streams Standard for JavaScript and proposes an alternative API design that runs 2x to 120x faster across all major runtimes.

How we rebuilt Next.js with AI in one week

One engineer and an AI model rebuilt Next.js from scratch as "vinext", a Vite-based drop-in replacement deployable to Cloudflare Workers, for ~$1,100 in tokens over one week.

Architecture•2026-02-03

Improve global upload performance with R2 Local Uploads

Cloudflare announces Local Uploads for R2 in open beta, enabling faster global upload performance by writing object data to a storage location near the client before asynchronously replicating it to the bucket's primary region.

Data Engineering•2025-11-26

Real-time data quality monitoring: Kafka stream contracts with syntactic and semantic test

This post introduces Coban, Grab's platform for real-time Kafka stream data quality monitoring using user-defined data contracts with syntactic and semantic test rules.