Supercharging Redpanda Streaming with Profile-Guided Optimization

Apr 2, 2026

How Redpanda 26.1 uses PGO and LLVM BOLT to achieve 47% lower latencies using 15% less CPU.

"Always-on" Production Memory Profiling in Just 5 Instructions

Aug 27, 2024

How we built a sampling memory profiler into the Seastar framework for continuous, low-overhead allocation tracking in production.

Sep 22, 2019 • Category: C++

Notes and reactions from the talks, papers, and themes that stood out at CppCon 2019.

Oct 7, 2018 • Category: C++

Notes and reactions from the talks, panels, and hallway themes at CppCon 2018.

Dec 29, 2016 • Category: CTF

A write-up of the 33C3 list0r challenge and the curl-based SSRF bypass behind the solve.

Jul 2, 2016 • Category: Programming

Examples of using Linux perf to debug bottlenecks and trace system behavior.

Mar 13, 2016 • Category: CTF

A write-up of the 0CTF 2016 Monkey web challenge and its DNS rebinding solution.

Jan 28, 2016 • Category: web

How to bootstrap a static site on GitHub Pages and Cloudflare.

Jan 27, 2016

Welcome post for the blog and homepage.