`dask` 25.12 worsens performance
Open
Nobody has claimed this yet.
- Dominant language
- Python
- Stars
- 80
- Forks
- 8
- Avg merge
- 21h 44m
- Merged PRs (30d)
- 5
Description
Something changed in dask 25.12 that has worsened performance of zarrs-python relative to the default pipeline.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the performance difference between dask 25.12 and the default pipeline in zarrs-python. Compare the benchmark or workload results across versions to isolate what changed. Done means identifying the regression and confirming a fix restores the default pipeline's performance.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100