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Targeting the streaming engine

You're back with the Seattle library team. Their checkout history is growing, and queries are starting to flirt with memory limits. The simplest fix is to run lazy queries on Polars' streaming engine instead of the default in-memory one.

polars is loaded as pl. The LazyFrame monthly_digital is pre-loaded and totals digital checkouts by month.

Deze oefening maakt deel uit van de cursus

Scaling and Optimizing Data Pipelines with Polars

Bekijk cursus

Oefeninstructies

  • Run monthly_digital using the streaming engine.

Interactieve oefening met praktijkervaring

Probeer deze oefening door deze voorbeeldcode aan te vullen.

# Run the query on the streaming engine
result = monthly_digital.collect(____="____")
print(result)
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