Jordi Villar
https://jordivillar.comI build distributed data systems that operate at scale. What draws me to this work is understanding how things actually work, whether that's performance challenges at scale or diving deep into system internals.
Entries
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Abdominal Fat Predicts Heart Disease Risk Better Than BMI - American College of Cardiology — The number that stuck wi...
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I spent a few years writing down everything I learned about ClickHouse internals. Most of it I can’t read anymore. It...
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I spent a few years writing down everything I learned about ClickHouse internals. Most of it I can’t read anymore. It...
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Elevators — The counterintuitive result is that destination dispatch, the kiosk where you punch your floor before boa...
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GPT 5.6 Sol Ran a Real Business—and Lost $447 — The part that stuck with me isn’t the zero revenue or the users going...
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Appaji - Software Engineer — The detail that got me is that you didn’t even need to run anything. Just opening the ta...
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@clickhouse/rowbinary: when your library is also a parser compiler — The framing that stuck with me is that the compi...
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I gave up coffee because I started losing my sight. I was getting visual migraines, auras that would creep in until I...
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I gave up coffee because I started losing my sight. I was getting visual migraines, auras that would creep in until I...
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Ten years of ClickHouse in open source — The detail that stuck is the monthly drill where they deliberately shut down...
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I didn’t expect The Bear to make me uncomfortable. Not because of the kitchen chaos or the screaming, and there’s ple...
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I didn’t expect The Bear to make me uncomfortable. Not because of the kitchen chaos or the screaming, and there’s ple...
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Building race telemetry for a ’92 Honda Accord — The RPM measurement bug is the part I keep thinking about. Reading f...
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There Are No Instances in atproto — overreacted — The RSS analogy is what makes the whole thing click. Counting Blues...
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Software Is Made Between Commits — The claim that stuck with me: “the conversation that generates the code is becomin...
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A few weeks ago I read Modal’s post on truly serverless GPUs. They describe getting GPU container starts from many mi...
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We’ve made the world too complicated — The piece names something I keep circling back to — most of us operate daily w...
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I never really thought about how Shazam works. You hold your phone up, it tells you the song, you move on. Then I rea...
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I used to roll my eyes at people who started a new sport and immediately bought all the gear. Day one of running and ...
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I used to roll my eyes at people who started a new sport and immediately bought all the gear. Day one of running and ...