Apr 29, 2025 · It worked normally for Python 3.13, but I got a warning that says: Dask dataframe query planning is disabled because dask-expr is not installed. UPDATE: With dask-expr the problem is there.

Sep 6, 2019 · 36 dask delayed 10.288054704666138s my cpu has 6 physical cores Question Why does Dask perform so slower while multiprocessing perform so much faster? Am I using Dask the wrong …

May 24, 2022 · However, passing a meta attribute to read_sql_query and setting head_rows=0 is completely ok as long as there's an efficient way to retrieve/create while dask-sql might work for this …

Jun 20, 2017 · The documentation for Dask talks about repartioning to reduce overhead here. They however seem to indicate you need some knowledge of what your dataframe will look like …

Mar 18, 2020 · Now I'm reading big csv file using Dask and do some postprocessing on it (for example, do some math, then predict by some ML model and write results to Database). Avoiding load all data …

Mar 25, 2025 · python dataframe group-by dask dask-dataframe asked Mar 25, 2025 at 16:37 tommy.carstensen 9,672 15 70 113

Nov 20, 2018 · 19 I am trying to use dask-distributed on my laptop using a LocalCluster, but I have still not found a way to let my application close without raising some warnings or triggering some strange …

Feb 13, 2017 · I would like to add a new column to an existing dask dataframe based on the values of the 2 existing columns and involves a conditional statement for checking nulls: DataFrame definition …

Aug 18, 2016 · How can I transform my resulting dask.DataFrame into pandas.DataFrame (let's say I am done with heavy lifting, and just want to apply sklearn to my aggregate result)?

May 15, 2018 · How should I get the shape of a dask dataframe? Asked 7 years, 9 months ago Modified 1 year, 9 months ago Viewed 26k times