jerqi opened a new issue, #286: URL: https://github.com/apache/incubator-uniffle/issues/286
### 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 Currently, MR on RSS don't support slow start. We can support this feature. ### Motivation Slow start will improve performance. For 1T terasort, 1w map, 1k reduce, the feature will improve 13% performance. ### Describe the solution Remove the logic that we forbid the slow start. Modify the logic of reduce, let reduce can fetch the meta data multiple times. ### Additional context _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
