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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14875) Create end user documentation from the compatibility guidelines
Date Tue, 31 Oct 2017 06:12:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16226311#comment-16226311
] 

Anu Engineer commented on HADOOP-14875:
---------------------------------------

[~templedf] Thanks for working on this. Along with my comments in HDFS-14876, one minor comment
on the contents of this patch.

>From AdminCompatibilityGuide.htm:

* Platform Dependencies: Please see my comment in HADOOP-14876. 
"The minimum supported version of the JVM will not change between major releases of Hadoop."
-- Not sure why we are doing this? I don't think we should make this guarantee. Especially
with Java moving to 3-month release cadence. We as a community might not have enough resources
to make sure that all JVMs versions are tested and supported.

* "In the event that the current minimum supported JVM version becomes unsupported between
major releases, the minimum supported JVM version may be changed in a minor release."  If
this is the intent, then simply saying we will support all JVMs till the end of life is more
concise and clear.

> Create end user documentation from the compatibility guidelines
> ---------------------------------------------------------------
>
>                 Key: HADOOP-14875
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14875
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 3.0.0-beta1
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: AdminCompatibilityGuide.htm, Compatibility.htm, HADOOP-14875.001.patch,
HADOOP-14875.002.patch
>
>




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