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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/03/13 10:32:00 UTC

[jira] [Commented] (SPARK-38541) Upgrade netty to 4.1.75

    [ https://issues.apache.org/jira/browse/SPARK-38541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17505423#comment-17505423 ] 

Apache Spark commented on SPARK-38541:
--------------------------------------

User 'LuciferYang' has created a pull request for this issue:
https://github.com/apache/spark/pull/35835

> Upgrade netty to 4.1.75
> -----------------------
>
>                 Key: SPARK-38541
>                 URL: https://issues.apache.org/jira/browse/SPARK-38541
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 3.3.0
>            Reporter: Yang Jie
>            Priority: Minor
>
> The release notes as follows:
>  * [https://netty.io/news/2022/03/10/4-1-75-Final.html]
>  
> There are 2 import change of this version:
>  * Reduce the default PooledByteBufAllocator chunk size from 16 MiB to 4 MiB
>  * Change default of io.netty.allocator.useCacheForAllThreads to false
>  
> Both of these changes are to reduce memory-overhead
>  



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