noreentry

# Bug report ### Bug description: multiprocessing.Pool with **spawn** method breaks logging.handlers.QueueHandler configuration ```python import logging import logging.config import multiprocessing import time def _init(q): logging.config.dictConfig({ 'version': 1, 'disable_existing_loggers': True, 'handlers':...

KilledWorker (exceeded 95% memory budget) with new optimizer

5

There is a problem running this query (optimization?) with dask version ``` python 3.12.3 hab00c5b_0_cpython conda-forge dask 2024.8.1 pyhd8ed1ab_0 conda-forge dask-core 2024.8.1 pyhd8ed1ab_0 conda-forge dask-expr 1.1.11 pyhd8ed1ab_0 conda-forge ``` Get...

dd.concat([]).reset_index().set_index() raises IndexError

1

**Environment**: - Dask version: ``` dask 2025.4.1 pyhd8ed1ab_0 conda-forge dask-core 2025.4.1 pyhd8ed1ab_0 conda-forge dask-expr 2.0.0 pyhd8ed1ab_0 conda-forge ``` - Python version: `Python 3.12.9 | packaged by conda-forge | (main, Mar...

df indexing 'The index and array have different numbers of blocks' error

3

In newer versions of Dask, the index appears to be repartitioned to the wrong number of partitions, leading to a ValueError during .loc[] operations ```python print(dask.__version__) 2024.2.1 ``` ```python df1...

printing dd.concat([]).reset_index().set_index() raises IndexError

1

- python: Python 3.13.9 | packaged by Anaconda, Inc. | (main, Oct 21 2025, 19:16:10) [GCC 11.2.0] on linux - dask: 2025.11.0 (conda-forge) ```python import dask print(dask.__version__) import dask.dataframe as...