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I solved a distributed queue problem after 15 years
Learn how queues make horizontal scaling, scheduling, and flow control easier in cloud systems, and how to make them durable and observable.
Topics /
Systems & Performance
The most popular blog posts about systems & performance on Hacker News. 163 posts.
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Deterministic simulation testing for async Rust
How S2 uses deterministic simulation testing for async Rust to find distributed-systems bugs before they reach production.
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ClickHouse vs PostgreSQL UPDATE performance comparison
See how ClickHouse’s update speed stacks up against PostgreSQL on the same data and hardware.
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The Beam
In Lorena's latest instalment, learn about the foundations of Elixir's power and reliability with the Erlang Virtual Machine (BEAM).
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Is Northern Virginia still the least reliable AWS region?
We analyzed if AWS’ N. Virginia region remains the least reliable in 2025. Overview of outages, affected services, and the massive October 20 AWS incident, with insights from StatusGator’s real-time monitoring.
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The write last, read first rule
TigerBeetle is a financial transactions database built for correctness. Yet, building a correct system from correct components remains a challenge:
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Using watermarks to coordinate change data capture in Postgres
Explore the challenges of building a change data capture (CDC) pipeline for Postgres. And see how Sequin used a watermark design inspired by Netflix's DBLog.
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An initial investigation into WDDM on ReactOS
ReactOS is a free, opensource reimplementation of windows
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Pizlix: Memory Safe Linux from Scratch
Pizlix is LFS (Linux From Scratch) 12.2 with some added components, where userland is compiled with Fil-C. This means you get the most memory safe Linux-like OS currently available.
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Deno Under TinyKVM in Varnish
Previously, I said that TinyKVM runs regular Linux ELFs and I use this to test my programs on the terminal like a regular program before I load them in Varnish.
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Diagnosing a Double-Free Concurrency Bug in Rust's Unbounded Channels
Explore how Materialize engineers diagnosed and resolved a rare concurrency bug in Rust's unbounded channels that led to undefined behavior through double-free memory errors.