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[Feature] Optimize parquet nested col read performance #4447

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Zouxxyy opened this issue Nov 4, 2024 · 1 comment
Open
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[Feature] Optimize parquet nested col read performance #4447

Zouxxyy opened this issue Nov 4, 2024 · 1 comment
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enhancement New feature or request

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@Zouxxyy
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Zouxxyy commented Nov 4, 2024

Search before asking

  • I searched in the issues and found nothing similar.

Motivation

NestedColumnReader has performance regression for simple row col reading

using NestedColumnReader

image

using RowColumnReader

image

Solution

No response

Anything else?

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Are you willing to submit a PR?

  • I'm willing to submit a PR!
@Zouxxyy Zouxxyy added the enhancement New feature or request label Nov 4, 2024
@JingsongLi
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@Zouxxyy You are correct, yes, now this implementation has some performance regression.

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@JingsongLi @Zouxxyy