Topics /

Systems & Performance

The most popular blog posts about systems & performance on Hacker News. 6,942 posts.

Any year
3542

Rustls Server-Side Performance

In past years, the Rustls project has been happy to receive substantial investments from the ISRG. One of our goals has been to improve performance without compromising on safety. We last posted about our performance improvements in October of 2024, and we're back to talk about another round of improvements. What is…

3554

Format string vulnerability found in 'sudo'

A flaw exists in the debugging code in sudo versions 1.8.0 through 1.8.3p1 that can be used to crash sudo or potentially allow an unauthorized user to elevate privileges. Sudo versions affected: 1.8.0 through 1.8.3p1 inclusive. Older versions of sudo are not affected. CVE ID: This vulnerability has been assigned…

3555

Jepsen: TiDB 2.1.7

In 2010, Google engineers Daniel Peng & Frank Dabek published Large-scale Incremental Processing Using Distributed Transactions and Notifications , which described Percolator: a Google-internal database for random access transactional workloads where low latencies are not required. Percolator uses a global…

3557

Distributed Systems in Haskell

I recently completed UT Austin's Distributed Computing class, taught by Lorenzo Alvisi. My project partner Pato and I decided to give it a go in Haskell, and ended up using Haskell for all project assignments (Chandy-Lamport, Paxos, and Bayou).

3563

Memory bandwidth

Absolute memory bandwidth figures tend to look fairly large, especially for GPUs. This is deceptive. It’s much more useful to relate memory bandwidth to say the number of clock cycles or inst…

3565

An ode to bzip

The story goes like this. ComputerCraft is a mod that adds programming to Minecraft. You write Lua code that gets executed by a bespoke interpreter with access to world APIs, and now you’re writing code instead of having fun. Computers have limited disk space, and my /nix folder is growing out of control, so I need to…

3566

Windows NT 3.1 on Dec Alpha AXP

As I was preparing the Windows NT RISC exhibit for VCF west , I realized that I’m missing a rather important piece of the history. While I was showing the potentially last DEC Alpha Windows build ever – AXP64 2210 , I don’t have anything earlier than NT 3.51. It would be nice to showcase the very first RTM version …

3569

Computers Can Be Understood

Computers and computer systems are build up from deterministic, comprehensible, building blocks. Their operations and behaviors can be understood and reasoned about. I relate my personal beliefs and mindset on this point, and explore some manifestations and ramifications of this philosophy.