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https://issues.apache.org/jira/browse/HBASE-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806561#action_12806561
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Kannan Muthukkaruppan commented on HBASE-2174:
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JD: The cluster coming down when DNS is flaky (the issue we reported on 
hbase-dev yesterday) is basically a dup of HBASE-1679. It causes the master to 
send a "startup" message to an already running region server. This then leads 
to the region server creating new znodes in zookeeper (of the form 
/hbase/rs/<startcode>). 

> 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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