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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Semantic Search Without Embeddings — The insight that reframed this for me is that embeddings nail representation and...
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the senior engineer death spiral — The pattern he names is one I’ve watched happen, you take on the ambitious thing, ...
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A few days ago I read Git at any scale. Although I managed to follow the architecture and the ideas behind it, I coul...
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The revolt of the reader — This is the sequel to the “intellectual fly is open” piece I flagged a couple weeks ago, a...
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Imagine you join a new project with a clear goal, improve ClickHouse performance, so our biggest customers can run th...
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You should never be angry at work — The line that got me was “you are not Linus Torvalds or Bryan Cantrill”, because ...
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Git at any scale — The move that stuck with me is putting a write-ahead log in S3 as the source of truth and treating...
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Software Engineering fundamentals matter more than ever — The welding analogy is the part I keep coming back to, he l...
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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...