#562: DuckLake: The Lakehouse That's Just SQL and Parquet

#562: DuckLake: The Lakehouse That's Just SQL and Parquet

How many files does your query read before it reads any data? On some data lakes, you go through JSON and metadata files first, just to learn which Parquet files matter. DuckLake asks one SQL question instead. The metadata lives in a real database. The data stays in plain Parquet. That's the entire format. Pedro Holanda joined DuckDB in 2018, when it was still a research prototype at CWI. He's the lead DuckLake developer. Guillermo Sanchez Dionis works on DuckLake and the new Quack protocol. With Quack as the catalog, DuckLake handles 200 transactions a second under heavy contention. No other open table format comes close.

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Jaksot(567)

#568: Cloudflare Python Workers

#568: Cloudflare Python Workers

Where does your Python code actually run? A server in Virginia? A container in Frankfurt? Pyodide put Python into the browser. Cloudflare put the browser into the server. Combine the two and you get P...

3 Marras 1h 2min

#567: Personal AI Agents for Pythonistas

#567: Personal AI Agents for Pythonistas

The most popular Python project you've probably never heard of has 252,000 GitHub stars and merged over 1,800 pull requests in a single week. It's Hermes, a self-hosted AI agent you program just by ta...

27 Loka 1h 6min

#566: State of the art in Python 2026

#566: State of the art in Python 2026

Which of your Python tools would you still pick if you started fresh today? For a long time, the answer was easy. The stack felt settled. AI has reopened almost every one of those choices. Some tools ...

17 Loka 1h 5min

#565: Tachyon, Python 3.15's Built-in Sampling Profiler

#565: Tachyon, Python 3.15's Built-in Sampling Profiler

Do you know what's actually slow in your Python app? Or are you guessing? Until now, profiling Python meant a tracing profiler that made your code 2 to 3 times slower. Or a third-party tool that broke...

2 Loka 1h 27min

#564: EVE Online Departs for Python 3

#564: EVE Online Departs for Python 3

Every ship in EVE Online eventually undocks and leaves the station. This time, it's the whole game. EVE has run on Python 2 since it launched in 2003, all 2.4 million lines of it, on a custom Stackles...

22 Syys 1h 7min

#563: Getting Started with Rust as Python Devs

#563: Getting Started with Rust as Python Devs

Lint the entire CPython code base from scratch. It takes 0.3 seconds. Three blinks of an eye. That is ruff, and it is written in Rust. So are Pydantic, Polars, uv, and Granian. Rust shows up in Python...

16 Syys 1h 10min

#561: TonIO, a Multi-threaded Async Runtime for Python

#561: TonIO, a Multi-threaded Async Runtime for Python

How many cores does your machine have, 10, 18? Your async Python code uses just one of them. That isn't a bug in asyncio. That's the design, and optimizing event loops to be faster by 20% doesn't chan...

4 Syys 1h 15min