xicm opened a new pull request, #11757: URL: https://github.com/apache/hudi/pull/11757
### Change Logs I found a skew in the flink compaction task. <img width="1552" alt="微信图片_20240812172514" src="https://github.com/user-attachments/assets/5263e4ca-4af1-4f2f-b581-e1c716527b21";> Compaction task shuffle the compaction operation with ***keyby***, A series of hash mods results in skew. One file group on compaction operator, so we don't need keyby, just rebalance is OK. This is the result of rebanlace. <img width="507" alt="微信图片_20240812172545" src="https://github.com/user-attachments/assets/e19ec957-565f-4a83-a971-d489341c2e55";> ### Impact _Describe any public API or user-facing feature change or any performance impact._ ### Risk level (write none, low medium or high below) _If medium or high, explain what verification was done to mitigate the risks._ ### Documentation Update _Describe any necessary documentation update if there is any new feature, config, or user-facing change. If not, put "none"._ - _The config description must be updated if new configs are added or the default value of the configs are changed_ - _Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the ticket number here and follow the [instruction](https://hudi.apache.org/contribute/developer-setup#website) to make changes to the website._ ### Contributor's checklist - [ ] Read through [contributor's guide](https://hudi.apache.org/contribute/how-to-contribute) - [ ] Change Logs and Impact were stated clearly - [ ] Adequate tests were added if applicable - [ ] CI passed -- 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]
