Hi Telles,
No, the documentation isn't out of date. Normally hadoop configuration
files are placed under /etc/hadoop/conf, it then referenced to when
starting the cluster with --config $HADOOP_CONF_DIR, this is how hdfs
and yarn know their configuration.
Second, it's not a good practice to run hadoop with root. What you want
to do is something like this
# useradd hdfs
# useradd yarn
# groupadd hadoop
# usermod -a -Ghadoop hdfs
# usermod -a -Ghadoop yarn
# mkdir /hdfs/{nn,dn}
# chown -R hdfs:hadoop /hdfs
Then start your hdfs daemon with hdfs user, and yarn daemon with yarn user.
On 01/27/2015 08:40 PM, Telles Nobrega wrote:
Hi, I'm starting to deply Hadoop 2.6.0 multi node.
My first question is:
In the documenation page, it says that the configuration files are
under conf/ but I found them in etc/. Should I move them to conf or is
this just out of date information?
My second question is regarding users permission, I tried installing
before but I was only able to start deamons running as root, is that
how it should be?
For now these are all the question I have.
Thanks
--
Regards,
Ahmed Ossama
