[Bug] preAllocatedSize could be negative in corner cases

[advancedxy]

Code of Conduct

• I agree to follow this project's Code of Conduct

Search before asking

• I have searched in the issues 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

[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?

• Yes I am willing to submit a PR!

[xianjingfeng]

Duplicate issue #229

[advancedxy]

Duplicate issue #229

Thanks for pointing it out. I indeed searched the issues before creating this one. Seems the search result doesn't show up #229.

[jerqi]

closed by #428