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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2022/05/19 04:21:00 UTC

[jira] [Updated] (SPARK-39231) Change to use ConstantColumnVector to store partition columns in `VectorizedParquetRecordReader`

     [ https://issues.apache.org/jira/browse/SPARK-39231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yang Jie updated SPARK-39231:
-----------------------------
    Summary: Change to use ConstantColumnVector to store partition columns in `VectorizedParquetRecordReader`  (was: Change to use ConstantColumnVector for partition column in `VectorizedParquetRecordReader`)

> Change to use ConstantColumnVector to store partition columns 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
>            Priority: Minor
>
> 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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