[jira] Updated: (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)

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

     [ https://issues.apache.org/jira/browse/HDFS-964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated HDFS-964:
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    Summary: hdfs-default.xml shouldn't use hadoop.tmp.dir for dfs.data.dir (0.20 and lower) / dfs.datanode.dir (0.21 and up)  (was: hdfs-default.xml shouldn't use hadoop.tmp.dir for dfs.data.dir)

> 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
>             Fix For: 0.21.0
>
>         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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