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https://issues.apache.org/jira/browse/HADOOP-5961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715733#action_12715733
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Raghu Angadi commented on HADOOP-5961:
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Thanks Jakob.
The current script is extremely basic, but gets the job done. It is more like
command line alias. Still I spend more time the script than the actual code
change in DataNode. It would take some time to write a good script and for
associated help and support. We could consider later that if there is more
interest.
> DataNode should understand generic hadoop options
> -------------------------------------------------
>
> 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
> Attachments: HADOOP-5961.patch, run-datanode.sh
>
>
> 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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