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https://issues.apache.org/jira/browse/HBASE-1515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719092#action_12719092
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ryan rawson commented on HBASE-1515:
------------------------------------

To run on EC2 and similar systems we now support the same configuration as 
hadoop:

  <property>
    <name>hbase.master.dns.interface</name>
    <value>default</value>
    <description>The name of the Network Interface from which a master 
      should report its IP address.
    </description>
  </property>
  <property>
    <name>hbase.master.dns.nameserver</name>
    <value>default</value>
    <description>The host name or IP address of the name server (DNS)
      which a master should use to determine the host name used 
      for communication and display purposes.
    </description>
  </property>


Setting IPs on each host for config is not really practical.  This is the 
scalable mechanism that hadoop supports, and now we do as well!

> Address part of config option hbase.regionserver unnecessary
> ------------------------------------------------------------
>
>                 Key: HBASE-1515
>                 URL: https://issues.apache.org/jira/browse/HBASE-1515
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Nitay Joffe
>            Priority: Minor
>             Fix For: 0.20.1
>
>
> We have a configuration option "hbase.regionserver" that specifies address + 
> port the region servers should bind to. I believe all of our users don't 
> require the address part of it and always leave it as 0.0.0.0. Most people 
> rsync their configs to all the machines in the cluster, so anything other 
> than 0.0.0.0 doesn't really make sense.
> We should change this option into just hbase.regionserver.port, like we have 
> with the master now.

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