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Posted to issues@spark.apache.org by "Kazuaki Ishizaki (JIRA)" <ji...@apache.org> on 2016/01/19 19:40:40 UTC

[jira] [Created] (SPARK-12907) Use BitSet to represent null fields in ColumnVector

Kazuaki Ishizaki created SPARK-12907:
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             Summary: Use BitSet to represent null fields in ColumnVector
                 Key: SPARK-12907
                 URL: https://issues.apache.org/jira/browse/SPARK-12907
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Kazuaki Ishizaki
            Priority: Minor


Use bit vectors (BitSet) to represent null fields information in ColumnVector to reduce memory footprint.



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