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https://issues.apache.org/jira/browse/HIVE-8128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344743#comment-14344743
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Dong Chen commented on HIVE-8128:
---------------------------------

Hi,

I upload a POC at: https://reviews.apache.org/r/31671/

This POC is based on the new vectorized Parquet API at 
https://github.com/zhenxiao/incubator-parquet-mr/pull/1

I check out the latest Parquet API code in [~zhenxiao]'s github repo (vector 
branch), make a little change, and then add the Hive changes. The vectorized 
read could work locally!

This patch covers the basic workflow and Int type. A list of TODO is commented 
in the code.

Any feedback is welcome! 

> Improve Parquet Vectorization
> -----------------------------
>
>                 Key: HIVE-8128
>                 URL: https://issues.apache.org/jira/browse/HIVE-8128
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Brock Noland
>            Assignee: Dong Chen
>
> We'll want to do is finish the vectorization work (e.g. VectorizedOrcSerde, 
> VectorizedOrcSerde) which was partially done in HIVE-5998.



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