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Polars in Production on AWS Lambda

Polars in Production on AWS Lambda

ramblings of an old Data Engineer

Daniel Beach's avatar
Daniel Beach
Jun 30, 2025
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Data Engineering Central
Data Engineering Central
Polars in Production on AWS Lambda
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The mental whiplash I experience inside my head when writing various articles to keep you fickle folk entertained sometimes gives me a headache. For my sanity, I prefer to switch between simply pontificating on writing some random bit of code, and rather heady topics like how not to suck at writing code.

Today, we shall walk down the well-worn path of a random piece of code. In this case, running Polars in production on AWS Lambda.

Why, you might ask? Because most of the “creators” and “influencers” that I’ve run into over the years might start out technical, but then they end up wandering down the road of theory … never to be seen again.

In my opinion, the content then becomes bland, boring, and disconnected from reality, like the reality of running actual Polars code, in actual production, on an actual AWS Lambda.

We will leave the hello-world crap for the birds. Let’s talk about real stuff.

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