[Feature] Add metrics for lookup operator
Open
enhancement
- 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.
### Motivation
Add more metrics such as refresh count, refresh data size and .etc for lookup operator
### Solution
_No response_
### 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 locating the lookup operator and its existing metrics implementation. Determine which refresh count and refresh data size metrics are required, then add tests that verify their values and confirm the metrics are exposed by the operator.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- observability
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100