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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12055) Deprecate usage of NativeIO#link
Date Fri, 05 Jun 2015 20:17:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575164#comment-14575164
] 

Andrew Wang commented on HADOOP-12055:
--------------------------------------

I'd like to commit this if there are no further comments. Please note that HADOOP-11483 already
switched us over to the JDK7 hardlink for all the other usages and was released in 2.7.0.
I also ran some performance tests myself and didn't see a difference between using our JNI
implementation vs the JDK7 API.

> Deprecate usage of NativeIO#link
> --------------------------------
>
>                 Key: HADOOP-12055
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12055
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: native
>    Affects Versions: 2.7.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>         Attachments: hadoop-12055.001.patch
>
>
> Since our min version is now JDK7, there's hardlink support via {{Files}}. This means
we can deprecate the JNI implementation and discontinue usage.



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