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From "Miklos Szegedi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14897) Loosen compatibility guidelines for native dependencies
Date Fri, 22 Sep 2017 17:18:01 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176747#comment-16176747
] 

Miklos Szegedi commented on HADOOP-14897:
-----------------------------------------

[~chris.douglas]. Given we are talking about external dependencies, we cannot assume that
they use the same versioning standard. However, talking about Hadoop versioning standard,
I would assume that a minor release requires only minor releases in dependencies. Let's be
more specific with an example. If we ship Hadoop 5.0 with support for C++ standards before
C++14, this requirement would assume that 5.1 will not add a requirement of C++14 as a minimum.
In case of Java I would rephrase this question, would you allow Hadoop 2.9 ship with a requirement
of Java 8, if 2.8 depended on Java 7 before?

> Loosen compatibility guidelines for native dependencies
> -------------------------------------------------------
>
>                 Key: HADOOP-14897
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14897
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: documentation, native
>            Reporter: Chris Douglas
>            Assignee: Daniel Templeton
>            Priority: Blocker
>
> Within a major version, the compatibility guidelines forbid raising the minimum required
version of any native dependency or tool required to build native components.



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