Unable to use dask-sql due to 'dask_expr.io' module
Jul 7, 2025 · However, since dask 2025.1.0 release, dask-expr was merged in Dask. It is possible that latest versions of dask or dask-expr package are not well supported by dask-sql.
Dask DataFrame.to_parquet fails on read - Stack Overflow
Mar 15, 2022 · Use dask.dataframe.read_parquet or other dask I/O implementations, not dask.delayed wrapping pandas I/O operations, whenever possible. Giving dask direct access to the file object or …
Converting an DataFrame from pandas to dask - Stack Overflow
Oct 22, 2020 · I followed this documentation dask.dataframe.from_pandas and there are optional arguments called npartitions and chunksize. So I try write something like this: import dask.dataframe …
dask: difference between client.persist and client.compute
Jan 23, 2017 · More pragmatically, I recommend using persist when your result is large and needs to be spread among many computers and using compute when your result is small and you want it on just …
Strategy for partitioning dask dataframes efficiently
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 …
How to transform Dask.DataFrame to pd.DataFrame?
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)?
python - Why does Dask perform so slower while multiprocessing …
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 …
Dask does not use all workers and behaves differently with different ...
Apr 21, 2023 · Workers: 15 Threads: 15 Memory: 22.02 GiB Dask Version: 2023.2.0 Dask.Distributed Version: 2023.2.0 10 nodes If I use 10 nodes the calculations interrupted after 40-45 minutes (40% …
How to Set Dask Dashboard Address with SLURMRunner (Jobqueue) …
Dec 17, 2024 · I am trying to run a Dask Scheduler and Workers on a remote cluster using SLURMRunner from dask-jobqueue. I want to bind the Dask dashboard to 0.0.0.0 (so it’s accessible …
dask - distributed.worker Memory use is high but worker has no data …
Feb 11, 2020 · The warning also says that Dask itself isn't holding on to any data, so there isn't much that it can do to help the situation (like remove its data). My guess is that some of the libraries that …