### Search before asking - [x] I searched in the [issues](https://github.com/apache/fluss-rust/issues) and found nothing similar. ### Description scanner tuning (prefetch, concurrency, poll records, fetch bytes) ### Willingness to contribute - [ ] I'm willing to submit a PR!
Search before asking
Description
scanner tuning (prefetch, concurrency, poll records, fetch bytes)
Willingness to contribute