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Hannes Mühleisen

@hannes.muehleisen.org

6.7K followers 1K following 138 posts

I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.

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Hannes Mühleisen @hannes.muehleisen.org · 16/12/2025

Found this fun bug in #Google Maps. The Austin airport jumps away and back quite far just by zooming...

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Hannes Mühleisen @hannes.muehleisen.org · 10/09/2025

Excited to be a keynote speaker at PyData Amsterdam 2025 (September 24–26). My talk is titled 'Minus Three Tier: Data Architecture Turned Upside Down'. Use code PYDATADB10 for 10% off tickets amsterdam.pydata.org/conference #PDAmsterdam2025 #10YearsPDAmsterdam

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Hannes Mühleisen @hannes.muehleisen.org · 19/06/2025

I’m very happy with this poster the @tigerbeetle.com team made for my #ducklake talk today at #systemsdistributed - make it so!

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Hannes Mühleisen @hannes.muehleisen.org · 28/03/2025

Amazing result

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Hannes Mühleisen @hannes.muehleisen.org · 11/02/2025

Really proud of the @duckdb.org team to greatly improve overall query performance in DuckDB 1.2.0 😬

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Hannes Mühleisen @hannes.muehleisen.org · 05/02/2025

This is Wilbur

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Hannes Mühleisen @hannes.muehleisen.org · 05/02/2025

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Hannes Mühleisen @hannes.muehleisen.org · 17/01/2025

I totally missed that hell froze over: Arm runners are finally available on the free tier of @github.com actions! I repeat, ARM RUNNERS! `runs-on: ubuntu-22.04-arm` #databs #yamlgames

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Hannes Mühleisen @hannes.muehleisen.org · 25/11/2024

It’s happening

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Hannes Mühleisen @hannes.muehleisen.org · 01/11/2024

Running our website @duckdb.org has become a challenge in itself by now, over 1M unique visitors and around a quarter Petabyte of data transfer. We're very grateful to #Cloudflare for sponsoring the project!

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Hannes Mühleisen @hannes.muehleisen.org · 23/10/2024

Pretty cool that one can use one's domain here

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