DataNode should implement should use ToolRunner
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Key: HADOOP-5961
URL: https://issues.apache.org/jira/browse/HADOOP-5961
Project: Hadoop Core
Issue Type: Improvement
Components: dfs
Reporter: Raghu Angadi
Assignee: Raghu Angadi
DataNode should use ToolRunner to parse generic hadoop options (like
-Dconfig.var=value). Apart from being more consistent with rest of the hadoop
programs, this is necessary to write a simple script to run multiple datanodes
on the same node.
I had proposed a simple shell script to running multiple datanodes on a the
user mailing list http://www.nabble.com/Contributing-to-hadoop-td22198897.html,
but it requires that DataNode parses -D option.
I will submit a patch and a shell script that works.
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