[dask] Support prediction with empty partition.
Open
feature-request
- Dominant language
- C++
- Stars
- 28.8k
- Forks
- 8.9k
- Avg merge
- 1d 12h
- Merged PRs (30d)
- 54
Description
It seems in some cases dask can call `map_partitions` with empty partitions. We should add well-defined behavior for prediction in the face of empty input.
Related: https://github.com/dask/dask/pull/9637 .
Contributor guide
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Research direction
Start by tracing the Dask prediction path that calls map_partitions with empty partitions, then review the related dask PR #9637 for context. Define and verify the intended prediction behavior for empty input, including tests for empty partitions.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- distributed-systems, machine-learning
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100