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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-667) Path configuration properties should not be comma separated
Date Mon, 06 Nov 2006 20:15:38 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-667?page=comments#action_12447522 ] 
            
Doug Cutting commented on HADOOP-667:
-------------------------------------

For the record, we used to permit comma- or space- delimited lists.  Spaces were removed for
better operation under Windows, where spaces are common in directory names.

We could fix this by quoting, or with nested xml tags.  But I would give this a very low priority.
 (Has anyone actually complained because they need to specify a path with a comma?  Do we
expect anyone will anytime soon?  If they did, would the workaround be difficult or non-obvious?)

> Path configuration properties should not be comma separated
> -----------------------------------------------------------
>
>                 Key: HADOOP-667
>                 URL: http://issues.apache.org/jira/browse/HADOOP-667
>             Project: Hadoop
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.7.2
>            Reporter: Nigel Daley
>            Priority: Minor
>
> A few configuration properties allow multiple directory paths separated by comma's (,).
 Since comma is a valid character for a directory name, it should not be used as a path separator.
> At a minimum, this applies to these properties:
>      mapred.local.dir
>      dfs.name.dir
> [ I also wonder how robust the implementation is against paths that contain spaces. ]

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