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  1. Spark
  2. SPARK-14098 Generate Java code to build CachedColumnarBatch and get values from CachedColumnarBatch when DataFrame.cache() is called
  3. SPARK-20807

Add compression/decompression of data to ColumnVector

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • 2.3.0
    • None
    • SQL
    • None

    Description

      While current CachedBatch can compress data by using of of multiple compression schemes, ColumnVector cannot compress data. It is mandatory for table cache.

      This JIRA adds compression/decompression to ColumnVector.

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            Unassigned Unassigned
            kiszk Kazuaki Ishizaki
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              Updated:
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