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The Difficulties of Senior Engineer …. are not Engineering

Well, I hate to break the news to you. I was the same when I first started, writing code that is. I was a zealot. I was zealous for every new thing I learned, every new language, every new approach, I would find the preacher who was preaching the message I wanted to hear … […]

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Engineering Lessons Learned from LLM Fine Tuning

Well, I finally got around to it. What you say? Fine-tuning an LLM, that’s what. I mean all the cool kids are talking about and caring on like it’s the next thing. What can I say … I’m jaded. I’ve been working on ML systems for a good few years now, and I’ve seen the […]

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Polars vs Spark

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SQL Bad, Reddit Mad

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SparkSQL is Destroying your Pipelines

It’s true, even if you don’t want it to be. SparkSQL is destroying your data pipelines and possibly wreaking havoc on your entire data team, infrastructure, and life. In your heart of hearts, you’ve probably known it for years. With great power comes great responsibility. We all know that even us Data Engineers are human […]

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Datafusion SQL CLI – Look Ma, I made a new ETL tool.

Sometimes I just need something new and interesting to work on, to keep me engaged. A few days ago I was lying by the river next to a fire, with the cold air blowing on my face and the eagles soaring above. Thinking about and contemplating life and data engineering … something flitted across my […]

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How to be Better Than Everyone Else

Ok. Get off your high horse. You are human just like the rest of us. Just like your ancient ancestors who were throwing rocks and sticks at each other a thousand years ago … you are looking for a leg up on the competition. Isn’t that the world we live in? At the end of […]

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Fleetclusters for Databricks + AWS to reduce Costs.

Show me the money. That’s what it’s all about. I have a question for you, to tickle your ears and mind. Get you out of that humdrum funk you are in. Here is my question, riddle me this all you hobbits. “Of what use is, and what good does the best and most advanced architecture […]

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Date and DateTime Manipulation in Polars

One thing all Data Engineers are doomed to do in purgatory will be to solve different date and datetime problems in an endless loop. I’m sure of it. I can’t imagine anything worse, so that must be it. Either way the constant need to manipulate dates and datetimes are just a way of life, something […]

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The Ultimate Data Engineering Chadstack. Running Rust inside Apache Airflow.

Is there anything more Chad than Apache Airflow … and Rust? I think not you whimp. What two things do I love most? At the moment Rust and Airflow are at least somewhere at the top of that list. I wring my hands sometimes, wishing that things and technologies somehow come together into some bubbling […]

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