[Improvement] Support ZSTD in the spark2.x version
- 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.
### What would you like to be improved?
In PR of #254, the ZSTD is introduced in uniffle. But in this implementation, it only support the jobs of spark3.x .
So we should make it compatible with the spark 2.x
### How should we improve?
We should do some compatibility work for the spark 2.x and 3.x ZSTD version
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
Contributor guide
Research direction
Start by reviewing PR #254 to understand how ZSTD support was introduced and which Spark 3.x assumptions it makes. Trace the relevant compatibility points for Spark 2.x and 3.x, then verify that ZSTD works for jobs on both versions; the issue names no files or tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- distributed-systems
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100