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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-964) hdfs-default.xml shouldn't use hadoop.tmp.dir for dfs.data.dir (0.20 and lower) / dfs.datanode.dir (0.21 and up)
Date Thu, 24 Mar 2016 23:49:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211146#comment-15211146
] 

Yongjun Zhang commented on HDFS-964:
------------------------------------

Thanks [~aw].


> hdfs-default.xml shouldn't use hadoop.tmp.dir for dfs.data.dir (0.20 and lower) / dfs.datanode.dir
(0.21 and up)
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-964
>                 URL: https://issues.apache.org/jira/browse/HDFS-964
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: Allen Wittenauer
>            Assignee: Allen Wittenauer
>         Attachments: HDFS-964.txt
>
>
> This question/problem pops up all the time.  Can we *please* eliminate hadoop.tmp.dir's
usage from the default in dfs.data.dir.  It is confusing to new people and results in all
sorts of weird accidents.  If we want the same value, fine, but there are a lot of implied
things by the variable re-use.



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