[jira] Created: (HDFS-455) Make NN and DN handle in a intuitive way comma-separated configuration strings

["Michele (aka pirroh) Catasta (JIRA)" <ji...@apache.org>]

Make NN and DN handle in a intuitive way comma-separated configuration strings
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                 Key: HDFS-455
                 URL: https://issues.apache.org/jira/browse/HDFS-455
             Project: HDFS
          Issue Type: Improvement
          Components: data-node, name-node
    Affects Versions: 0.20.1, 0.21.0
            Reporter: Michele (aka pirroh) Catasta
            Priority: Minor


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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