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Posted to issues@spark.apache.org by "Chao Sun (Jira)" <ji...@apache.org> on 2024/11/14 00:04:00 UTC

[jira] [Updated] (SPARK-50307) Spark should respect spark.shuffle.io.preferDirectBufs in BlockTransferMessage

     [ https://issues.apache.org/jira/browse/SPARK-50307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun updated SPARK-50307:
-----------------------------
    Attachment: Screenshot 2024-11-13 at 4.03.51 PM.png

> Spark should respect spark.shuffle.io.preferDirectBufs in BlockTransferMessage
> ------------------------------------------------------------------------------
>
>                 Key: SPARK-50307
>                 URL: https://issues.apache.org/jira/browse/SPARK-50307
>             Project: Spark
>          Issue Type: Improvement
>          Components: Shuffle
>    Affects Versions: 3.5.3
>            Reporter: Chao Sun
>            Priority: Major
>         Attachments: Screenshot 2024-11-13 at 4.03.51 PM.png
>
>
> In {{{}BlockTransferMessage{}}}, we always allocate heap buffer regardless of whether {{spark.shuffle.io.preferDirectBufs}} is true or not:
>  
> !image-2024-11-13-16-03-18-978.png!



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