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https://issues.apache.org/jira/browse/HBASE-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806608#action_12806608
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Karthik Ranganathan commented on HBASE-2174:
--------------------------------------------

@Joydeep/Ryan - good point about EC2. They expose a different IP to the outside 
world (elastic IP) which is different from the actual machine ip's. We should 
definitely stick to hostnames. 

I guess we should just stop the master from resolving each time and take what 
the client says its hostname-ip pair is as the truth. Zookeeper currently 
stores the ip of the root region server - not sure if thats an issue.

> Review how we handle addresses in HBase
> ---------------------------------------
>
>                 Key: HBASE-2174
>                 URL: https://issues.apache.org/jira/browse/HBASE-2174
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>             Fix For: 0.21.0
>
>
> Over the time many parts of the code have evolved in different ways and one 
> issue is that addresses are handled differently in different parts of the 
> code. We need to set a standard and correct any inconsistencies.

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