SongYadong opened a new pull request #23426: [CORE][MINOR] Let acquireUnrollMemory fail fast if required space exceeds memory limit URL: https://github.com/apache/spark/pull/23426 ## What changes were proposed in this pull request? When acquiring unroll memory from `StaticMemoryManager`, let it fail fast if required space exceeds memory limit, just like acquiring storage memory. I think this may reduce some computation and memory evicting costs especially when required space(`numBytes`) is very big. ## How was this patch tested? Existing unit tests.
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