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Posted to issues@hive.apache.org by "Ádám Szita (Jira)" <ji...@apache.org> on 2022/06/14 12:15:00 UTC

[jira] [Assigned] (HIVE-26115) LLAP cache utilization for Iceberg Parquet files

     [ https://issues.apache.org/jira/browse/HIVE-26115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ádám Szita reassigned HIVE-26115:
---------------------------------

    Assignee: Ádám Szita

> LLAP cache utilization for Iceberg Parquet files
> ------------------------------------------------
>
>                 Key: HIVE-26115
>                 URL: https://issues.apache.org/jira/browse/HIVE-26115
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Ádám Szita
>            Priority: Major
>         Attachments: Screenshot 2022-04-05 at 10.08.27 AM.png, Screenshot 2022-04-05 at 10.08.35 AM.png, Screenshot 2022-04-05 at 10.08.50 AM.png, Screenshot 2022-04-05 at 10.09.03 AM.png
>
>
> Originally: 
> Parquet footer is read 3 times when reading iceberg data
> !Screenshot 2022-04-05 at 10.08.27 AM.png|width=627,height=331!
> Here is the breakup of 3 footer reads per file.
> !Screenshot 2022-04-05 at 10.08.35 AM.png|width=1109,height=500!
>  
>  
> !Screenshot 2022-04-05 at 10.08.50 AM.png|width=1067,height=447!
>  
>  
> !Screenshot 2022-04-05 at 10.09.03 AM.png|width=827,height=303!
>  
> HIVE-25827 already talks about the initial 2 footer reads per file.



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