[Bug] compact performance
- Dominant language
- Java
- Stars
- 3.4k
- Forks
- 1.4k
- Avg merge
- 1d 11h
- Merged PRs (30d)
- 396
Description
### Search before asking
- [x] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.
### Paimon version
paimon 0.8
### Compute Engine
flink 1.18
### Minimal reproduce step
i have a table with 500+ columns, and 10T, but compact is always slow, how can i improve?

### What doesn't meet your expectations?
compact is slow
### Anything else?
_No response_
### Are you willing to submit a PR?
- [ ] I'm willing to submit a PR!
Contributor guide
No contributing guide indexed for this repository
Research direction
Start by reproducing the report with Paimon 0.8 and Flink 1.18 using a table with 500+ columns and 10T of data. No source files, tests, or entry points are named; done would require identifying the compaction bottleneck and documenting a verified way to improve its performance.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data-engineering, performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100