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https://issues.apache.org/jira/browse/SPARK-26043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128908#comment-17128908
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Hyukjin Kwon edited comment on SPARK-26043 at 6/9/20, 6:37 AM:
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Shall we discuss and conclude what to put in migration guide and release notes 
at the dev mailing list? I think I have a slightly different understanding 
either.

Migration guide: legitimate improvements yet that are breaking. If that's too 
trivial or minor, I wouldn't document. It depends on a committer's call.
Release note: significant breaking changes including the bug fixes and/or 
improvement. One JIRA could appear in both migration guide and release notes if 
it's worthwhile.




was (Author: hyukjin.kwon):
Shall we discuss and conclude what to put in migration guide and release notes? 
I think I have a slightly different understanding either.

Migration guide: legitimate improvements yet that are breaking. If that's too 
trivial or minor, I wouldn't document. It depends on a committer's call.
Release note: significant breaking changes including the bug fixes and/or 
improvement. One JIRA could appear in both migration guide and release notes if 
it's worthwhile.



> Make SparkHadoopUtil private to Spark
> -------------------------------------
>
>                 Key: SPARK-26043
>                 URL: https://issues.apache.org/jira/browse/SPARK-26043
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.0.0
>            Reporter: Marcelo Masiero Vanzin
>            Assignee: Sean R. Owen
>            Priority: Minor
>             Fix For: 3.0.0
>
>
> This API contains a few small helper methods used internally by Spark, mostly 
> related to Hadoop configs and kerberos.
> It's been historically marked as "DeveloperApi". But in reality it's not very 
> useful for others, and changes a lot to be considered a stable API. Better to 
> just make it private to Spark.



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