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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2022/05/19 04:20:00 UTC

[jira] [Created] (SPARK-39231) Change to use ConstantColumnVector for partition column in `VectorizedParquetRecordReader`

Yang Jie created SPARK-39231:
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             Summary: Change to use ConstantColumnVector for partition column in `VectorizedParquetRecordReader`
                 Key: SPARK-39231
                 URL: https://issues.apache.org/jira/browse/SPARK-39231
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.4.0
            Reporter: Yang Jie


Try to use `ConstantColumnVector` instead of OnHeapColumnVector(or OffHeapColumnVector) to store partition columns in `VectorizedParquetRecordReader` for performance improvements and memory savings.

I will do some preliminary research and supplement jira description.

 

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