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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9517) Define Hadoop Compatibility
Date Fri, 17 May 2013 18:39:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660939#comment-13660939
] 

Karthik Kambatla commented on HADOOP-9517:
------------------------------------------

Thanks Steve. Will include all those items in the next version of the patch:
# Source code compatibility - when you say the patch will apply (patch -p0), I suppose you
are talking about the directory structure of the code and not that the patch will apply cleanly.
From a contributor's perspective, this limits any directory changes include any code refactoring
- e.g. move an inner class to a separate class. In that case, do we guarantee compatibility
within a minor release or a major release.
# Configuration: We already have the section - I ll add a note on the default values.
# Will add user-level file formats, web UI
# Will capture OS, JVM and Hardware under a new section Requirements.
                
> Define Hadoop Compatibility
> ---------------------------
>
>                 Key: HADOOP-9517
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9517
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Arun C Murthy
>            Assignee: Karthik Kambatla
>         Attachments: hadoop-9517.patch, hadoop-9517.patch, hadoop-9517.patch, hadoop-9517.patch
>
>
> As we get ready to call hadoop-2 stable we need to better define 'Hadoop Compatibility'.
> http://wiki.apache.org/hadoop/Compatibility is a start, let's document requirements clearly
and completely.

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