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https://issues.apache.org/jira/browse/SPARK-24968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16563274#comment-16563274
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Hyukjin Kwon commented on SPARK-24968:
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So is it a duplicate of SPARK-24917 roughly? I suggest to leave this resolved 
if that or this issue is a subset

> Configurable Chunksize in ChunkedByteBufferOutputStream
> -------------------------------------------------------
>
>                 Key: SPARK-24968
>                 URL: https://issues.apache.org/jira/browse/SPARK-24968
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.2.2, 2.3.0, 2.4.0
>            Reporter: Vincent
>            Priority: Minor
>
> Hello,
> it seems that when creating a _ChunkedByteBufferOutputStream,_ the chunk size 
> is always configured to be 4MB. I suggest we make it configurable via spark 
> conf. This would allow to solve issues like SPARK-24917 (by increasing the 
> chunk size to a bigger value in the conf).
> What do you think ?



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