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Posted to issues@hive.apache.org by "Akshat Mathur (Jira)" <ji...@apache.org> on 2024/07/22 05:44:00 UTC

[jira] [Work started] (HIVE-26473) Upgrade to Java17

     [ https://issues.apache.org/jira/browse/HIVE-26473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-26473 started by Akshat Mathur.
--------------------------------------------
> Upgrade to Java17
> -----------------
>
>                 Key: HIVE-26473
>                 URL: https://issues.apache.org/jira/browse/HIVE-26473
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>    Affects Versions: 4.0.0
>            Reporter: dingwei2019
>            Assignee: Akshat Mathur
>            Priority: Major
>              Labels: pull-request-available
>
> we know that jdk11 is a LTS version, but the technical support will be end in September 2023. JDK17 is the next generation LTS version, and will support a least to 2026. 
> for G1GC, Java17 will get 8.66% faster than  Java11, for ParallelGC, the percent will be 6.54%. If we upgrade to java17, we will get more performance improvementthan Java11.
>  
> I suggest, we upgrade hive version to support java17.



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