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Posted to issues@spark.apache.org by "Shixiong Zhu (JIRA)" <ji...@apache.org> on 2014/11/20 06:51:34 UTC

[jira] [Created] (SPARK-4505) Reduce the memory usage of CompactBuffer[T] when T is a primitive type

Shixiong Zhu created SPARK-4505:
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             Summary: Reduce the memory usage of CompactBuffer[T] when T is a primitive type
                 Key: SPARK-4505
                 URL: https://issues.apache.org/jira/browse/SPARK-4505
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.1.0
            Reporter: Shixiong Zhu
            Priority: Minor


If CompactBuffer has a ClassTag parameter, CompactBuffer can create primitive arrays for primitive types. It will reduce the memory usage for primitive types significantly and only pay minor performance lost.



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