[jira] [Updated] (HUDI-3891) Investigate Hudi vs Raw Parquet table discrepancy

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HUDI-3891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HUDI-3891:
---------------------------------
    Labels: pull-request-available  (was: )

> Investigate Hudi vs Raw Parquet table discrepancy
> -------------------------------------------------
>
>                 Key: HUDI-3891
>                 URL: https://issues.apache.org/jira/browse/HUDI-3891
>             Project: Apache Hudi
>          Issue Type: Bug
>            Reporter: Alexey Kudinkin
>            Assignee: Alexey Kudinkin
>            Priority: Critical
>              Labels: pull-request-available
>
> While benchmarking querying raw Parquet tables against Hudi tables, i've run the test against the same (Hudi) table:
>  # In one query path i'm reading it as just a raw Parquet table
>  # In another, i'm reading it as Hudi RO (read_optimized) table
> Surprisingly enough, those 2 diverge in the # of files being read:
>  
> _Raw Parquet_
> !https://t18029943.p.clickup-attachments.com/t18029943/f700a129-35bc-4aaa-948c-9495392653f2/Screen%20Shot%202022-04-15%20at%205.20.41%20PM.png!
>  
> _Hudi_
> !https://t18029943.p.clickup-attachments.com/t18029943/d063c689-a254-45cf-8ba5-07fc88b354b6/Screen%20Shot%202022-04-15%20at%205.21.33%20PM.png!



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