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https://issues.apache.org/jira/browse/HADOOP-9517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660819#comment-13660819
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Steve Loughran commented on HADOOP-9517:
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Another one: OS/JVM compatibility. What guarantees/promises are made for OS &
JVM.
# I could see OS family statements: Linux, Windows, vendor-backed versions such
as IBM Power, but not specific versions, especially as the OS vendor trails off
security patches. Testing and bug reports welcome.
# JVM? What could be said here? That the min JVM is specified by the code, no
intent to force updates on a point release unless/until that JVM version
becomes unsupported. Major releases (or different OS platform/Hardware releases
may mandate later versions (e.g windows and Arm prefer open-jdk7). Testing and
bug reports welcome.
# Hardware? "No plans to make Hadoop specific to any CPU family, even though
there may be some CPU family-specific optimisations at the native code level."
or "this is driven by (JVM, OS) support; testing always welcome).
> 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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