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Date: Wed, 27 Jan 2010 03:24:34 +0000 (UTC)
From: "Todd Lipcon (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Updated: (HDFS-455) Make NN and DN handle in a intuitive way
 comma-separated configuration strings
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     [ https://issues.apache.org/jira/browse/HDFS-455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HDFS-455:
-----------------------------

    Status: Patch Available  (was: Open)

> Make NN and DN handle in a intuitive way comma-separated configuration strings
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-455
>                 URL: https://issues.apache.org/jira/browse/HDFS-455
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, name-node
>    Affects Versions: 0.20.1, 0.21.0
>            Reporter: Michele (aka pirroh) Catasta
>            Priority: Minor
>         Attachments: HDFS-455.patch, hdfs-455.txt
>
>
> The following configuration causes problems:
> <property>
> <name>dfs.data.dir</name>
> <value>/mnt/hstore2/hdfs, /home/foo/dfs</value> 
> </property>
> The problem is that the space after the comma causes the second directory for storage to be " /home/foo/dfs" which is in a directory named <SPACE> which contains a sub-dir named "home" in the hadoop datanodes default directory. This will typically cause the user's home partition to fill, but will be very hard for the user to understand since a directory with a whitespace name is hard to understand.
> (ripped from HADOOP-2366)

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