KP

High Agency is how you thrive in the AI era. t.co/5VKVLSsnnj

The peril of laziness lost bcantrill.dtrace.org/2026/04/12/t...

Back in January I gave a talk at Jane Street titled "Are Mutexes Slow?" (I gave a lightning version of it at @rustikon.dev last week!). And it's now up on YouTube if you're interested in wonky details about CPU cache coherence and the cost of coordination! www.youtube.com/watch?v=tND-...

We are excited to announce that we can successfully use Rust's std::thread on the GPU. This has never been done before. www.vectorware.com/blog/threads... Supporting Rust's std::thread enables existing Rust code to work on the GPU and makes GPU programming more ergonomic.

Our latest interview: @gergely.pragmaticengineer.com shares his path to The Pragmatic Engineer, his favorite bloggers, and tips for others writethatblog.substack.com/p/gergely-or...

[new blog post] Building a database on S3 muratbuffalo.blogspot.com/2026/03/buil...

If you want to learn more about the Variant type in Parquet, Aihua Xu and @andrewlamb1111.bsky.social wrote a great blog post on the project blog. parquet.apache.org/blog/2026/02...

it’s important to keep caring about how things work and how they’re built

Published a new post after a long gap - www.prasanthkarri.dev/coding-agent...

Highly recommend. Now I'm digging through all the references, links - nice rabbit hole. newsletter.pragmaticengineer.com/p/observabil...

Choose your storage layer carefully.

Didn't realise how much I love @spacecowboy17.bsky.social "For You" feed. "Well you only need the light when it's burning low Only miss the sun when it starts to snow... " Reminding me of this lyrics - www.youtube.com/watch?v=RBum... Rooting for you spacecowboy...

I have no more patience for platforms. I'm done. #offprint https://tynanistyping.offprint.app/a/3mcsvjjceei23-publishing-on-the-atmosphere

as more people add bluesky comments to their blogs, bluesky should give back by surfacing their websites. If we visit someone's profile, we should find a prominent link inviting us to explore their garden

RUST REFLECTION MVP HAS LANDED github.com/rust-lang/ru... THIS IS NOT A DRILL

I've posted my latest recap of the world of databases: www.cs.cmu.edu/~pavlo/blog/... All the hot topics from the last year: • More Postgres action! • MCP for everyone! • MongoDB gets litigious with FerretDB! • File formats! • Market movements! • The richest person in the history of the world!

Using AI to generate code you don't understand is akin to using a translation app for a language you don't know. It might be ~90% correct but you'll never be able to spot the ~10% that's wrong, and that's going to look bad on you when others do.

exercising in january is way too mainstream, so I'll be starting at some point later in the year just to show that I'm serious about it

Ready for the first cool demo of the year? A mini Mario world with keyboard control. Yes, you can move Mario and also jump! 👀 Demo: codepen.io/t_afif/full/... via @codepen.io ✔️ 100% CSS Magic ✔️ Minimal HTML ❌ 0% JavaScript A Chrome-only experimentation using modern CSS.

​One of the advantages of being a millennial is that by the time these short-form videos started becoming a thing, I was already considered too old for the platforms. So, I ended up never downloading them. But watching my cousins use their phones like zombies - ngl, I’m a tad bit worried.

For the last ~20 years, I did most of my coding inside an IDE - the last ~15 with increasingly good autocomplete. Which is why it’s so weird that I barely opened an IDE the last two weeks, even as I pushed lots of code. I use the CLI, the web and my phone (!!) to prompt code

If you are vibe coding, then yes. Gas Town might give you dopamine. If vibe engineering, which is how I feel we should use these tools, then I don’t think this is the way. Coding is fun. Why do you want some auto complete tool to do all of it without your supervision?

Time for my big year end blogpost about the Atmosphere. From the personal computing perspective, the cloud has been a disaster — but we shouldn't run away from it. We can solve a lot of problems by connecting our clouds, turning it into atmospheric computing.

Applies to some tools, but this is where fine design makes a difference. Code is cheap to prompt, but the real bottleneck to good products is thinking through 99,999 design decisions and considering every edge case. DIY-ing your own tools will teach you how hard beautiful, thoughtful design is

Uber - From Batch to Streaming www.uber.com/blog/from-ba...

I am still sort of in disbelief how quickly we moved from "AI is not making me more productive as a programmer" to "of course AI can one-shot advent of code" in less than a year. bsky.app/profile/mits...

Going deep into FDAP stack is super fun. I’m finding a rabbit hole to dive into like every hour.

My colleague Sanjay Ghemawat & I have done a fair bit of performance tuning of various pieces of code. We wrote an internal Performance Hints document ~2 years ago as a way of identifying some general principles & we've recently published a version of it externally. Doc: abseil.io/fast/hints.h...

Reliability is our top priority. We have declared "Code Orange: Fail Small" to focus our engineering efforts on a single goal: ensuring the causes of past outages are fundamentally eliminated. Here is how we are building a more resilient network for the future. https://cfl.re/4pOLIlC

Building Modern Databases with the FDAP Stack • Andrew Lamb & Olimpiu Pop • GOTO 2025 www.youtube.com/watch?v=Gd-m...

Qiwei Huang explains how we use Late Materialization (LM) in the Apache Rust Parquet reader to accelerate filtering. LM can describe several techniques, but this is a core one (also applies to joins, Top-K, etc) arrow.apache.org/blog/2025/12...

à propos nothing: cargo-nextest's "wrapper-scripts" feature is amazing if you find yourself having to run tests through valgrind, heaptrack, strace, perf... for uhhh reasons. nexte.st/docs/configu...

but seriously: $ systemd-run --user --scope -p MemoryMax=4G cargo nextest run woops is preetty cool. I thought I'd have to mess with docker or something.

just for fun, with apptron you can jump into linux in the browser, boot up stock apache, get a public endpoint, and browse to the default page... served from the apache running in the other tab!

Sometimes I look at the code suggested by Copilot and think of the developer who originally wrote it. Who are you? What happened in your life? Where are you now?

I've just realised that reading more fiction books for fun has really helped with me being able to focus properly on reading other stuff. I was just reading something that usually I would skim. Instead I noticed I was taking time to understand it, sometimes, re-reading sentences. Read fiction.

Durable Executions, defined Every durable execution framework: write normal code, get fault tolerance. Yet nobody defines what normal code or fault tolerance are The alternative: a rigorous definition, grounded in first principles, and a minimal implementation Dropping today

log in with your internet handle

TERM wizardzines.com/comics/term/ (from The Secret Rules of the Terminal, out now! wizardzines.com/zines/terminal)

Our SIGMOD paper with our friends at Tsinghua + @wesmckinney.com + @pateljm.bsky.social on creating a next generation open-source data file format is out. F3 is a future-proof file format avoids the mistakes of Parquet. 📄 Paper: db.cs.cmu.edu/papers/2025/... 📁 Code: github.com/future-file-...

Did you know your MacBook has a sensor that knows the exact angle of the screen hinge? It’s not exposed as a public API, but I figured out a way to read it and make it sound like an old wooden door.

Today is the new semester for @db.cs.cmu.edu's Intro to Database Systems! We're going harder into material than before. More challenging projects but you can use LLMs to help. We also have 10min talks each Wed from leading DB companies: 15445.courses.cs.cmu.edu/fall2025

The positive thing about AI tooling going mainstream and setting expectations high (e.g. "anyone can build software with AI") is that a large group will learn what us devs know already: Creating good software is hard and it's hard to explain to outsiders in a way they understand

Engineering is the intersection of Curiosity and Capability When your curiosity outstrips your capability, you expand your capability and grow When your capability expands, it allows you to see farther and grows your curiosity Don't allow your tools take away both your Curiosity and Capability

SD25 online starts next week! systemsdistributed.com/#agenda

www.youtube.com/watch?v=IdpD.... Loved the tooling.

Quitting programming as a career right now because of LLMs would be like quitting carpentry as a career thanks to the invention of the table saw.