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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