Hi,

to set local permissions (operating system):
chown -R hdfs:hadoop /path/to/hdfs/ && chown -R mapred:hadoop
/path/to/hdfs/mapred

inside of hdfs:
sudo -u hdfs hadoop fs -mkdir /mapred/system
sudo -u hdfs hadoop fs -chown -R mapred /mapred

regards
- alex


On Tue, Nov 22, 2011 at 7:26 AM, Afshin <[email protected]> wrote:

> I read CDH3U2 installation guide and it has a part which guides the way you
> should set the permissions. you should set the owner of mapred directories
> as
> mapred:hadoop so that daemons will be able to set the correct permissions
> on
> startup. but your owner for mapred directory is hdfs.
>
>


-- 
Alexander Lorenz
http://mapredit.blogspot.com

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