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Hadoop, mail # user - datanode security (v 1.0.3)


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Re: datanode security (v 1.0.3)
Rajiv Chittajallu 2012-06-06, 11:58
check HADOOP_DATANODE_OPTS in hadoop-env.sh . It should have something like

HADOOP_DATANODE_OPTS="-Xmx1024m -Dsecurity.audit.logger=ERROR,DRFAS "

>________________________________
> From: Tony Dean <[EMAIL PROTECTED]>
>To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>Sent: Sunday, June 3, 2012 6:01 PM
>Subject: datanode security (v 1.0.3)
>
>
>
>Why is there no documentation on how to run a datanode in secure mode?  Or have I just missed it.

>I’ve searched and found bits and pieces, but shouldn’t this information be in the security documentation?

>Well, my current state is this:

>    1. I understand that the datanode must use ports < 1k so it must run the threads doing this work as root.
>    2. I set an environment variable: HADOOP_SECURE_DN_USER so that the datanode can swith to this user for normal work.
>    3. This keeps me from getting the “Cannot start secure cluster without privileged resources” message.
>    4. But, now I’m getting

>03/06/2012 18:20:08 3809 jsvc.amd64 error: Invalid option -server
>03/06/2012 18:20:08 3809 jsvc.amd64 error: Cannot parse command line arguments

>Does anyone know how to get this to work?  I’m new to Hadoop/HBase, but the security documentation or lack thereof is a big turnoff thus far.

>I really appreciate any guidance here.
>��
>Thanks!


>Tony Dean
>SAS Institute Inc.
>Senior Software Developer
>919-531-6704




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