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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-19464) Remove support for Hadoop 2.5 and earlier
Date Wed, 08 Feb 2017 12:21:41 GMT

     [ https://issues.apache.org/jira/browse/SPARK-19464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen updated SPARK-19464:
------------------------------
    Labels: releasenotes  (was: )

> Remove support for Hadoop 2.5 and earlier
> -----------------------------------------
>
>                 Key: SPARK-19464
>                 URL: https://issues.apache.org/jira/browse/SPARK-19464
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, YARN
>    Affects Versions: 2.1.0
>            Reporter: Sean Owen
>            Assignee: Sean Owen
>              Labels: releasenotes
>             Fix For: 2.2.0
>
>
> As discussed last year, and again on the mailing list this week, it's likely time to
remove support for Hadoop 2.5 and earlier. Distros have been on 2.6 for over 2 years, and
upstream is on to 2.7 / 3.x. It only affects Hadoop cluster users. 2.1.x continues to work
on 2.2+.
> The benefit is mostly cleaning up the build matrix, reasoning about dependencies across
Hadoop versions, and bits of code across the project that depend on reflection to deal with
newer features. It makes it a little easier to use newer Hadoop APIs. De facto, I doubt that
versions before 2.6 would be given serious support in the project already anyway.



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