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[VL] row2VeloxColumnar bad performance #7223

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FelixYBW opened this issue Sep 13, 2024 · 2 comments
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[VL] row2VeloxColumnar bad performance #7223

FelixYBW opened this issue Sep 13, 2024 · 2 comments
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enhancement New feature or request

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@FelixYBW
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The query has hive table scan which output complex datatype. Gluten elapsed time is >2x worse than Vanilla Spark. 93% percent of time is spending on RowToVeloxColumnar
@FelixYBW FelixYBW added the enhancement New feature or request label Sep 13, 2024
@FelixYBW FelixYBW mentioned this issue Sep 13, 2024
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@FelixYBW
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postpone the r2c until complex type is not presented

@FelixYBW FelixYBW mentioned this issue Sep 18, 2024
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@zml1206
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zml1206 commented Sep 24, 2024

It seems that not only complex types, too many rows will also be slow.

@FelixYBW FelixYBW mentioned this issue Dec 19, 2024
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@zml1206 @FelixYBW