[jira] [Comment Edited] (ARROW-17735) Improve parquet reading performance for String/Binary type based on Buffer operations instead of BinaryArrayBuilder

["xiangxiang Shen (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-17735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17605157#comment-17605157 ] 

xiangxiang Shen edited comment on ARROW-17735 at 9/15/22 7:16 AM:
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Hi [~apitrou] , yes, C++.

Related code:

   cpp/src/parquet/column_reader.cc

   cpp/src/parquet/encoding.cc

   cpp/src/parquet/encoding.cc

  

Also, I can submit one pull request

 


was (Author: zhixingheyi-tian):
Hi [~apitrou] , yes, C++

> Improve parquet reading performance for String/Binary type based on Buffer operations instead of BinaryArrayBuilder
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-17735
>                 URL: https://issues.apache.org/jira/browse/ARROW-17735
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Parquet
>    Affects Versions: 8.0.1
>            Reporter: xiangxiang Shen
>            Priority: Major
>
> Improve parquet reading performance for String/Binary type based on Buffer operations instead of BinaryArrayBuilder.
>  
> Currently, parquet String/Binary type reading performance is not good enough. For fixedwidth types, the Reader has adopted Buffer operations  instead of ArrayBuilder interfaces.
>  
> So it‘s better to use Buffer operations in String/Binary type reading.
>  



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