TangSiyang2001 opened a new issue, #28564: URL: https://github.com/apache/doris/issues/28564
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description  CPU    Mem    ### Solution Actually, the node the heavy resource overhead is suffering from the back pressure of the add batch RPC, due to the low responce from the target BE which is add batching. Finally, we found that the read lock for checking broken tablet (writers) maybe inreasonable and add to the overhead, making it very slow but with a very light behavior. ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- 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: commits-unsubscr...@doris.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org