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André Terroir

@terroir.systems
11 followers 20 following 104 posts

Learning in progress

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André Terroir @terroir.systems · 28/09/2026
After spending a weekend using Amp, I'm onboard - constraining token usage is slowing things down and not using frontiers models is limiting agent autonomy. Ultimately, it's a waste of invaluable human attention required to get to desired results.
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Reposted by André Terroir
David Crawshaw @crawshaw.io · 27/09/2026
When in doubt, build something.
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André Terroir @terroir.systems · 27/09/2026
It's interesting to see how the data centers of the cloud hyperscalers are distributed (or rather concentrated) across the world. gist.github.com/andreterroir...
gist.github.com
Cloud topology snapshot, 2026-09-27
Cloud topology snapshot, 2026-09-27. GitHub Gist: instantly share code, notes, and snippets.
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André Terroir @terroir.systems · 26/09/2026
“If you're not having fun, what's the point of this, really? […] If you're not enjoying yourself, go find somewhere where you're enjoying yourself.” - Adam Leventhal oxide-and-friends.transistor.fm/episodes/hir...
oxide-and-friends.transistor.fm
Oxide and Friends | Hiring Processes with Gergely Orosz
Bryan and Adam were joined by Gergely Orosz, the Pragmatic Engineer, to talk about Oxide's hiring process, the experiences that led to that process, and hiring generally. There's a lot there for an...
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André Terroir @terroir.systems · 25/09/2026
It should be possible to give unused tokens to friends.
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Reposted by André Terroir
Gergely Orosz @gergely.pragmaticengineer.com · 25/09/2026
"Application development did not change much for 20 years, but now, a new wave is crashing in. Most computers in the future must be put to work at least in part w/o programmers. Not surprisingly, programmers will instinctively resist methods described in this book." - 1982, James Martin (cont'd)
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André Terroir @terroir.systems · 25/09/2026
Coding agents are like Linux distributions - there’re a lot of them, many are amazing and none are perfect.
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André Terroir @terroir.systems · 23/09/2026
This is very cool tracking of global networking. geocables.com
geocables.com
GeoCables - Live Submarine Cable Encyclopedia (716 cables, real-time latency)
Interactive map of 716 submarine cables worldwide. Live routes, real-time latency from our measurement network, and operational status.
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André Terroir @terroir.systems · 22/09/2026
Decision models is a step in the right direction. It’s an example of how to achieve significantly better efficiency and, likely in the future, quality by better fitting a model to the problem. Another plus - we drop anthropomorphic qualities of the output. simonwillison.net/2026/Sep/21/...
simonwillison.net
Jev introduces a new shape of LLM—System One, aka Decision Models
Last week TypeSafe AI unveiled Jev, their first example of a new category of model that they are calling “System One models” (I’m with Maggie Appleton, I think “decision models” …
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André Terroir @terroir.systems · 28/08/2026
In the time I've been contemplating these ideas, LinkedIn announced Northguard and Apache Pulsar built scalable topics. I hope my research is still useful if you're interested in distributed message logs and stream processing. terroir.systems/can-kafka-su...
terroir.systems
Can Kafka Support Elastic Partitioning?
The Promise of Dynamic Partitioning Partitioning is a recurring challenge around building systems on top of Apache Kafka distributed message log. Some com...
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André Terroir @terroir.systems · 20/08/2026
Is AI-created software valuable? How does the cost of writing code influence the value it provides? On one hand, the effort put into making the software valuable makes it more prized by the creator and, by extension, more valuable to its users (@jola.dev): jola.dev/posts/no-cos...
jola.dev
No cost, no value
Why generating code makes it meaningless, why writing code by hand has value, and why toil is a critical part of the human experience.
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André Terroir @terroir.systems · 20/08/2026
Some thoughtful deliberations on AI and ownership of work: jola.dev/posts/a-comp...
jola.dev
A computer can never be held accountable
For better or for worse the things you create with LLMs are your responsibility, just like with any other tool.
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André Terroir @terroir.systems · 20/08/2026
Just set-up external monitoring for my websites with larm.dev. It's been a delightful experience. Here's my external dashboard: terroir.status.larm.dev
larm.dev
Larm | Uptime Monitoring for Engineering Teams
Know before your customers do. Uptime monitoring with full request traces, multi-location verification, and status pages. Free to start.
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André Terroir @terroir.systems · 15/08/2026
It's good to hear someone having a sober conversation about the threats of AI, including bioweapons. What a coincidence that the fearmongering is so well aligned with the business incentive of the big AI labs. oxide-and-friends.transistor.fm/episodes/the...
oxide-and-friends.transistor.fm
Oxide and Friends | The Open Weight Revolution with Simon Willison
Simon Willison joined Bryan and Adam to discuss a wild couple of weeks in AI. First, we have a high-profile, AI-induced, AI-diagnosed security incident. Next we have the rise of frontier-class open...
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André Terroir @terroir.systems · 15/08/2026
The recent AI-related cybersecurity incidents make me hopeful about the future. Secure software without vulnerabilities is possible. The bottleneck was always identifying security flaws, which contemporary models can remove. www.foreignaffairs.com/podcasts/cyb...
foreignaffairs.com
Cyberwarfare in the AI Age
A Conversation With Jen Easterly
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André Terroir @terroir.systems · 14/08/2026
Bonsai 27B is the first local LLM that's actually useful with a coding agent on my 32GB M2 Max MacBook. The models I've tried earlier were either too prone to mistakes, too slow, or too resource hungry. prismml.com/news/bonsai-...
prismml.com
PrismML — Announcing Bonsai 27B: The First 27B-Class Model to Run on a Phone
Today we're announcing Bonsai 27B, our multimodal flagship: ternary at 5.9GB for laptops, 1-bit at 3.9GB for an iPhone 17 Pro, with a 262K-token context.
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André Terroir @terroir.systems · 11/08/2026
How come you don't hear more about Apache Pulsar? Geo-replication, multi-tenancy, tiered storage, and especially scalable topics (preview release) sounds very interesting. pulsar.apache.org/docs/5.0.x/c...
pulsar.apache.org
Scalable topics | Apache Pulsar
Understand scalable topics (Topics v5), the topic type that grows and shrinks at runtime by splitting and merging key-range segments.
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André Terroir @terroir.systems · 28/07/2026
LLM prompt caching is unlike data caching, were the result of an operation is served from the cache to avoid a more expensive computation or lookup. Instead it's the internal state of the model (a bunch of multidimensional vectors) that's cached, allowing to resume inference from a previous point.
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André Terroir @terroir.systems · 27/07/2026
Reasoning (also thinking) LLMs are the models that have been trained (or fine-tuned to be precise) to output "chain-of-thought" tokens before producing a response, increasing its quality for certain classes of problems. www.ibm.com/think/topics...
ibm.com
What Is a Reasoning Model? | IBM
A reasoning model is a large language model (LLM) fine-tuned to break complex problems into smaller chain-of-thought (CoT) steps, often called “reasoning traces,” prior to generating a final output.
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André Terroir @terroir.systems · 23/07/2026
Until we figure out how to teach agents software design, building well abstracted components, that can be understood independently and combined safely, sounds promising. The alternative is oftentimes a tightly coupled snowball of code. maheshba.bitbucket.io/blog/2026/07...
maheshba.bitbucket.io
The Bottlenecks for AI-Driven System Design: why Principal Engineers are not (yet) obsolete.
I’ve been building systems, teaching system design, and writing papers about novel designs for a couple of decades now. In my view, agents are magical self-writing distributed programs: my personal re...
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André Terroir @terroir.systems · 23/07/2026
An observation: LLM-generated code typically results in a lot thicker abstractions, while humans tend to err on the side of shallow layered modules.
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André Terroir @terroir.systems · 21/07/2026
It’s useful to take breaks from tools - AI, the Internet, screens, devices. Read from paper, write with a pen, rely on your memory to remember and on your brain to think.
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André Terroir @terroir.systems · 20/07/2026
A prediction: open-weight models will lead to an ultimate downfall of the big AI labs.
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André Terroir @terroir.systems · 20/07/2026
A great podcast discussion from Oxide on adopting an RFC process and making it effective: oxide-and-friends.transistor.fm/episodes/rfd...
oxide-and-friends.transistor.fm
Oxide and Friends | RFDs: The Backbone of Oxide
RFDs--Requests for Discussion--are how we at Oxide discuss... just about everything! Technical design, hardware component selection, changes in process, culture, interview systems, (even) chat--we ...
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André Terroir @terroir.systems · 20/07/2026
RFCs/RFDs (requests for comments/discussion) predate ADRs by many decades (1969 and 2011). Contrasted to ADRs, they seem to be more extensive, detailed, cover a wider scope of decisions, and use a free-form structure. (I've no personal experience with RFC process.) oxide.computer/blog/rfd-1-r...
oxide.computer
RFD 1 Requests for Discussion | Oxide Computer Company
A look inside our internal Requests for Discussion process.
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André Terroir @terroir.systems · 20/07/2026
ADRs seem to be experiencing a renaissance in 2026. My guess is that tracking system evolution on a higher level becomes more valuable, as code moves at an ever-increasing pace and is less reflective of the intent, both due to AI acceleration. martinfowler.com/bliki/Archit...
martinfowler.com
bliki: Architecture Decision Record
A short document that captures a single decision, structured into a log to provide a history
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André Terroir @terroir.systems · 10/07/2026
There's something to be said for the role of vision in innovation. Some of the most interesting technologies come from taking a stance rather than a mechanical evaluation of trade-offs. www.youtube.com/watch?v=iqdd...
youtube.com
Zig 2026: No-AI Policy, $670K Foundation, Left GitHub & Why Zig Isn’t 1.0 - Andrew Kelley Explains
YouTube video by JetBrains
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André Terroir @terroir.systems · 08/07/2026
Following through the Amp’s guide to build a coding agent was an enlightening experience. It is impressive what can be achieved in just a couple of hours. Highly recommended to check it out on your own and to follow along (do the typing!). ampcode.com/notes/how-to...
ampcode.com
How to Build an Agent
Building a fully functional, code-editing agent in less than 400 lines.
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André Terroir @terroir.systems · 07/07/2026
If you’re looking for a coding agent LLM subscription, OpenCode Go is an incredible value at $10/month. It’s a fixed cost with more than enough budget for side project work and a great selection of open weights models.
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André Terroir @terroir.systems · 03/07/2026
Worktrees is the most underappreciated feature of Git. If you rely on AI coding agents, it becomes invaluable. git-scm.com/docs/git-wor...
git-scm.com
Git - git-worktree Documentation
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André Terroir @terroir.systems · 01/07/2026
It's good to see more discussions about how to improve the quality of outcomes with AI coding agents. It's an interesting idea to break down tasks into isolated chunks evaluated by agents with clean context acting as gates for quality and completion. www.youtube.com/watch?v=6Ylt...
youtube.com
Superpowers: How Jesse Built the #1 AI Claude Code/ Codex Plugin — and Stopped Writing Code
YouTube video by Larridin, Inc.
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André Terroir @terroir.systems · 01/07/2026
The Acceleration Whiplash report by Faros is a good read - sobering and grounded in reality, yet constructive and actionable. www.faros.ai/research/ai-...
faros.ai
AI Impact on Engineering Productivity: 2026 Report Data
22K developers reveal AI's real impact: 66% throughput gains but incidents rising faster. Get the definitive data on what's working and breaking.
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André Terroir @terroir.systems · 01/07/2026
Learning is the process of changing your brain (literally!). Beware of shortcuts that promise to make learning easy, whether AI or otherwise. Friction and struggle are part of the process. Frustration is optional.
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André Terroir @terroir.systems · 01/07/2026
How to resist cognitive surrender as we rely on AI more and more, when capacity to think and understand cannot be taken for granted anymore? Intellectual discipline and ability to keep learning are likely to become significant differentiating factors.
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André Terroir @terroir.systems · 24/06/2026
A useful framing for reasoning about our ability to produce software that performs accordingly to expectations. georgefairbanks.com/ieee-softwar...
georgefairbanks.com
George Fairbanks - IEEE Software - The Pragmatic Designer: Intellectual Control
This column was published in IEEE Software, The Pragmatic Designer column, 14 January 2019, Vol 36 number 1. It reached the home page of Hacker News but got ...
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