apache / apache/uniffle

[FEATURE] zero-copy for reading when integrating gluten

Open
#2,646 1 comment 0 reactions 0 assignees View on GitHub
Dominant language
Java
Stars
454
Forks
172
Avg merge
5d 17h
Merged PRs (30d)
5

Description

### Code of Conduct

- [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)

### Search before asking

- [x] I have searched in the [issues](https://github.com/apache/incubator-uniffle/issues?q=is%3Aissue) and found no similar issues.

### Describe the feature

https://github.com/apache/incubator-gluten/blob/main/gluten-arrow/src/main/java/org/apache/gluten/vectorized/LowCopyNettyJniByteInputStream.java

### Motivation

_No response_

### Describe the solution

_No response_

### Additional context

_No response_

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

Contributor guide

Open the contributing guide

Research direction

Start by reading Gluten's linked LowCopyNettyJniByteInputStream.java and tracing Uniffle's read path for the integration point. The issue provides no named Uniffle files or tests; done means supporting zero-copy reads when integrating Gluten, with the affected read behavior verified.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend, performance
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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