advancedxy opened a new issue, #426: URL: https://github.com/apache/incubator-uniffle/issues/426
### 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 bug Notice `preAllocatedSize` could be negative in prod server logs ### Affects Version(s) master ### Uniffle Server Log Output ```logtalk [INFO] 2022-12-15 10:11:50,921 Grpc-*** ShuffleBufferManager flushIfNecessary - Start to flush with usedMemory[88*******], preAllocatedSize[-4969120], inFlushSize[0] ``` ### Uniffle Engine Log Output _No response_ ### Uniffle Server Configurations _No response_ ### Uniffle Engine Configurations _No response_ ### Additional context I did some investigation, there's some race conditions to update the `preAllocatedSize` field. ### Are you willing to submit PR? - [X] 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: dev-unsubscr...@uniffle.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org