datafusion-contrib / datafusion-contrib/orc-rust
Allow user to coalesce small IOs
Open
Nobody has claimed this yet.
- Dominant language
- Rust
- Stars
- 30
- Forks
- 26
- Avg merge
- 19m
- Merged PRs (30d)
- 3
Description
We need a reader like this: https://arrow.apache.org/rust/parquet/arrow/async_reader/trait.AsyncFileReader.html which allows the user to coalesce small IOs into a large IO.
Contributor guide
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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 reading the linked Apache Arrow Rust AsyncFileReader trait, then inspect the ORC reader entry points to find where small reads are issued. Done means exposing a reader interface that lets users coalesce small IO requests into larger IO operations, with tests covering the behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100