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dask

28 indexed repositories · View on GitHub

dask
Parallel computing with task scheduling

Python · 13921 stars
dask-tutorial
Dask tutorial

Jupyter Notebook · 1859 stars
distributed
A distributed task scheduler for Dask

Python · 1692 stars
dask-ml
Scalable Machine Learning with Dask

Python · 950 stars
dask-examples
Easy-to-run example notebooks for Dask

Jupyter Notebook · 387 stars
dask-labextension
JupyterLab extension for Dask

TypeScript · 329 stars
dask-kubernetes
Native Kubernetes integration for Dask

Python · 324 stars
dask-jobqueue
Deploy Dask on job schedulers like PBS, SLURM, and SGE

Python · 256 stars
dask-docker
Docker images for dask

Jupyter Notebook · 243 stars
dask-image
Distributed image processing

Python · 226 stars
dask-gateway
A multi-tenant server for securely deploying and managing Dask clusters.

Python · 148 stars
dask-cloudprovider
Cloud provider cluster managers for Dask. Supports AWS, Google Cloud Azure and more...

Python · 147 stars
cachey
Caching based on computation time and storage space

Python · 142 stars
partd
Concurrent appendable key-value storage

Python · 107 stars
helm-chart
Helm charts for Dask

YAML · 100 stars
dask-expr

Python · 89 stars
dask-glm

Python · 78 stars
zict
Useful Mutable Mappings

Python · 72 stars
dask-yarn
Deploy dask on YARN clusters

Python · 69 stars
dask-mpi
Deploy Dask using MPI4Py

Python · 56 stars
8 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Xarray indices and other non-Dask variables are round-tripped to the Dask scheduler Open

memory p2 performance

Difficulty 5/5 Over a week Newbie friendliness 35/100

dask/distributed#9200 · 6 comments · Opened Mar 3, 2026
Tests fail with pandas 3 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/partd#82 · Opened Feb 20, 2026
Request for improved error handling when using nout in delayed functions Open

needs triage

Difficulty 4/5 3-5 days Newbie friendliness 42/100

dask/dask#12295 · 1 comment · Opened Feb 18, 2026
ci: no longer testing kerberos authenticator Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dask/dask-gateway#924 · Opened Feb 16, 2026
Free-threading support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

dask/community#439 · 2 reactions · Opened Feb 13, 2026
Default to CI Kubernetes version for local test runs Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dask/dask-kubernetes#969 · 2 comments · Opened Feb 12, 2026
Quickfix for copy and paste bug in futures.ipynb comments Open

good first issue

Difficulty 1/5 Under an hour Newbie friendliness 85/100

dask/dask-examples#247 · 2 comments · Opened Feb 10, 2026
DaskCluster stuck in Pending state - Possible race condition? Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

dask/dask-kubernetes#968 · 2 comments · 6 reactions · Opened Feb 6, 2026
Flaky `test_collection.py::test_len` Open

tests

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dask/dask#12275 · 9 comments · Opened Feb 4, 2026
Sphinx 9 compatibility Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

dask/distributed#9189 · 1 comment · 1 reaction · Opened Feb 3, 2026
Zarr writing chunk size warning logic is faulty Open

needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

dask/dask#12263 · 2 comments · 2 reactions · Opened Feb 2, 2026
da.ma.masked_where causes serialization error with np.uint8 and np.uint16 arrays Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dask/dask#12260 · 4 comments · Opened Jan 30, 2026
Client.get doesn't evaluate dependency if it's in dictionary value or nested inside dictionary Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/distributed#9186 · Opened Jan 30, 2026
core.py's Job class default regex not selecting correct job id Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/dask-jobqueue#699 · 2 comments · Opened Jan 29, 2026
Dataframe shuffle: Behaviour for NULL partitions differs from Pandas 3 Open

bug p2 shuffle

Difficulty 3/5 1-2 days Newbie friendliness 42/100

dask/distributed#9184 · 1 comment · Opened Jan 29, 2026
Dask Crashes With Index Out Of Bounds on Print Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 52/100

dask/dask#12257 · Opened Jan 28, 2026
⚠️ Upstream CI failed ⚠️ Open

upstream

Difficulty 3/5 1-2 days Newbie friendliness 25/100

dask/dask#12252 · 1 comment · Opened Jan 24, 2026
`.groupby()` with `by=[<boolean>]` raises `KeyError` Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 66/100

dask/dask#12251 · 2 comments · Opened Jan 23, 2026
DataFrame with mixed use of `index` and `columns` and `.loc[]` brings inconsistencies Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dask/dask#12247 · Opened Jan 22, 2026
`dask.dataframe.size` with `index` brings inconsistencies Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 65/100

dask/dask#12241 · 1 comment · Opened Jan 20, 2026
`dask.dataframe.drop()` is invalid Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/dask#12240 · 1 comment · Opened Jan 20, 2026
`.sort_values(by='c0', inplace=True)` brings inconsistencies Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dask/dask#12239 · 2 comments · Opened Jan 19, 2026
`.nunique(axis='columns', dropna=False)` brings inconsistencies Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

dask/dask#12237 · 2 comments · Opened Jan 18, 2026
Provide a feature to assess if a given function is lazy or computes under the hood Open

needs triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

dask/dask#12235 · Opened Jan 15, 2026
`dask.dataframe.read_csv` from mixed numeric and alphabetic characters data leads to Segmentation Fault Open

needs triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask#12228 · 4 comments · Opened Jan 10, 2026
cannot request --mem-per-gpu=40G as a job_extra_directives Open

needs triage

Difficulty 3/5 1-2 days Newbie friendliness 48/100

dask/dask#12208 · 1 comment · Opened Dec 23, 2025
aws ECSCluster - Unable to create default security group. Please specify manually. Open

bug help wanted provider/aws/ec2

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

dask/dask-cloudprovider#481 · Opened Dec 16, 2025
`ValueError: Moving window (=N) must between 1 and M` with `bottleneck` and `dask>=2024.11.0` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask#12198 · 1 comment · Opened Dec 16, 2025
rootish tasks with resources restrictions are not queued Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dask/distributed#9164 · 4 comments · Opened Dec 12, 2025
dask unstable; multiple race condition errors: P2PConsistencyError, RuntimeError, FutureCancelledError ... Open

bug needs info needs reproducer

Difficulty 5/5 Over a week Newbie friendliness 20/100

dask/distributed#9163 · 5 comments · Opened Dec 10, 2025
[TASK] Drop zarr.create API when dropping zarr v2 Open

needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

dask/dask#12188 · Opened Dec 9, 2025
ZeroDivisionError in _split_up_single_chunk when proposed parameter is zero Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

dask/dask#12186 · 3 comments · Opened Dec 8, 2025
High CPU usage when idle, possibly DNS related Open

bug help wanted windows

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/distributed#9161 · 6 comments · Opened Dec 5, 2025
Controller loses API connection after token expiry on Azure Kubernetes Service (AKS) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask-kubernetes#964 · 3 comments · 1 reaction · Opened Dec 5, 2025
ZeroDivisionError in shift() when used inside groupby().map() with dask 2025.11.0 Open

needs triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask#12179 · 1 comment · Opened Dec 2, 2025
CI failing on main Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask-examples#246 · Opened Dec 1, 2025
dask.array.to_zarr() fails when a dask.array with chunks of type numpy.matrix is provided Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

dask/dask#12177 · 4 comments · Opened Nov 27, 2025
distributed zarr write fail - OSError: too many open files; P2PConsistencyError: No active shuffle with Open

needs triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dask/distributed#9156 · 4 comments · Opened Nov 27, 2025
Add better support of local settings for shared traefik ingress controller Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

dask/dask-gateway#909 · Opened Nov 26, 2025
Data types reading from csv file differ from those of Pandas Open

bug dataframe

Difficulty 3/5 1-2 days Newbie friendliness 55/100

dask/dask#12176 · 4 comments · Opened Nov 26, 2025
`dask.dataframe` indexing `bool` type values brings inconsistencies Open

bug dataframe

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/dask#12172 · 1 comment · Opened Nov 25, 2025
Can't install upstream versions of both `dask` and `distributed` due to version requirements Open

packaging

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/dask#12167 · 3 comments · Opened Nov 21, 2025
Publish nightly wheels to scientific-python-nightly-wheels Open

packaging

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dask/dask#12166 · 5 comments · 1 reaction · Opened Nov 21, 2025
[Kubernetes] Set Host(`{ENV_DEFINED}`) when creating IngressRoute Open

enhancement help wanted

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dask/dask-gateway#908 · Opened Nov 21, 2025
Bug: `dask.array.block` occasionally jumbles mosaic - potentially race condition? (dask>=2025.4.0) Open

array bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dask/dask#12164 · 4 comments · 2 reactions · Opened Nov 20, 2025
Large memory usage when trying to add a dimension to an array with many chunks Open

bug needs review

Difficulty 4/5 3-5 days Newbie friendliness 48/100

dask/dask#12155 · 1 comment · Opened Nov 13, 2025
Bug: Wrong data type when using dask.array.ma.masked_array and python float in computation Open

array bug needs review

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dask/dask#12154 · 1 comment · Opened Nov 13, 2025
Implement prefilter in dask_image.ndinterp.map_coordinates using the dask_image spline_filter function Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

dask/dask-image#419 · Opened Nov 13, 2025
RTD Failing with `ModuleNotFoundError: No module named 'yaml'` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dask/dask-mpi#143 · Opened Nov 11, 2025
Make rotate function compatible with cupy Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dask/dask-image#414 · 1 reaction · Opened Nov 11, 2025

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