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Posted to issues@spark.apache.org by "SongYadong (JIRA)" <ji...@apache.org> on 2019/01/04 01:30:00 UTC

[jira] [Created] (SPARK-26527) Let acquireUnrollMemory fail fast if required space exceeds memory limit

SongYadong created SPARK-26527:
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             Summary: Let acquireUnrollMemory fail fast if required space exceeds memory limit
                 Key: SPARK-26527
                 URL: https://issues.apache.org/jira/browse/SPARK-26527
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.0.0
            Reporter: SongYadong


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.



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