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From "J.Andreina (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9043) Doc updation for commands in HDFS Federation
Date Thu, 10 Sep 2015 11:32:46 GMT
J.Andreina created HDFS-9043:

             Summary: Doc updation for commands in HDFS Federation
                 Key: HDFS-9043
                 URL: https://issues.apache.org/jira/browse/HDFS-9043
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: documentation
            Reporter: J.Andreina
            Assignee: J.Andreina
            Priority: Minor

1. command is wrong 
 $HADOOP_PREFIX/bin/hdfs dfsadmin -refreshNameNode <datanode_host_name>:<datanode_rpc_port>
Correct command is : hdfs dfsadmin -refreshNameNode's'

2.command is wrong 
 $HADOOP_PREFIX/sbin/hadoop-daemon.sh --config $HADOOP_CONF_DIR --script $HADOOP_PREFIX/bin/hdfs
start balancer 
Correct command is : *hdfs balancer -policy*

3. Reference link to balancer for further details is wrong
Note that Balancer only balances the data and does not balance the namespace. For the complete
command usage, see balancer.

4. URL is not proper 
Similar to the Namenode status web page, when using federation a Cluster Web Console is available
to monitor the federated cluster at http://<any_nn_host:port>/dfsclusterhealth.jsp.

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