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user: r4um
created: 2013-02-27
karma: 10789

systems guy • curious and unflinching • 99.999% positive

blog: https://blog.r4um.net

[ my public key: https://keybase.io/r4um; my proof: https://keybase.io/r4um/sigs/5PMmFocRMv45OxLv3ml3Akp2y5K6VRRr13cvQCUxz-Y ]

submissions:

A Lesson from the Cockpit
1 points | 0 comments
What's Easy Now? What's Hard Now?
2 points | 0 comments
The 90 Day disclosure policy is dead
2 points | 0 comments
The four horsemen behind Postgres outages
1 points | 0 comments
It's Time to Be Right
3 points | 0 comments
Another crash caused by uninstaller code injection into Explorer
2 points | 0 comments
My AI Workflow (Without Losing My Skills)
5 points | 0 comments
My heuristics are wrong. What now?
2 points | 0 comments
From error-handling to structured concurrency
2 points | 0 comments
TLA+ Mental Models
21 points | 0 comments
An effect notation based on with-clauses and blocks
2 points | 0 comments
Reflections on the Future of Software Engineering Retreat
1 points | 0 comments
Zen of AI Coding
1 points | 0 comments
Mechanical Habits
3 points | 0 comments
Agentic Engineering Patterns
543 points | 310 comments
How to identify assumptions by distorting times
1 points | 0 comments
About memory pressure, lock contention, and Data-oriented Design
2 points | 0 comments
When the Bubble Bursts
5 points | 1 comments
Defer available in gcc and clang
263 points | 251 comments
Systems Thinking
279 points | 117 comments
Who Owns the Memory? Part 1: What Is an Object?
2 points | 0 comments
Investigating and fixing a nasty clone bug
33 points | 0 comments
Everyday Systems
2 points | 0 comments
Why Strong Consistency?
1 points | 0 comments
Tech Predictions for 2026 and Beyond
5 points | 0 comments
Async Mutexes
2 points | 0 comments
First images of Antares photosphere from spectropolarimetry
3 points | 0 comments
A deep dive into BPF LPM trie performance and optimization
11 points | 0 comments
Barbarians at the Gate: How AI Is Upending Systems Research
3 points | 0 comments
Under the hood: Vec<T>
174 points | 137 comments