[jira] Issue Comment Edited: (HADOOP-4546) Minor fix in dfs to make hadoop work in AIX

["Allen Wittenauer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678796#action_12678796 ] 

aw edited comment on HADOOP-4546 at 3/4/09 9:25 AM:
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[ignore me, i'm thinking of a different problem]

      was (Author: aw):
    Actually, this would be a regression.  Hadoop should have worked fine prior to 0.16 when permissions were added.  Until then, Hadoop didn't do callouts to whoami, groups, etc.
  
> Minor fix in dfs to make hadoop work in AIX
> -------------------------------------------
>
>                 Key: HADOOP-4546
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4546
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.18.0, 0.19.0
>         Environment: AIX 
>            Reporter: Arun Venugopal
>            Assignee: Bill Habermaas
>             Fix For: 0.21.0
>
>         Attachments: 4546-1.patch, 4546-2.patch, dfs_aix_fix.patch, hadoop-4546.patch, TestDFVariations.java
>
>
> HDFS uses df command to get the disk space. The output format of df command is different in AIX compared to Linux and Solaris. Checking the OS type and then reading the df output as per the format will fix this issue and thus allows hadoop to be fully functional in AIX environment.

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