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https://issues.apache.org/jira/browse/HADOOP-8227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13254722#comment-13254722
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Thomas Graves commented on HADOOP-8227:
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Mostly looks good. Couple minor things: 

you misspelled queue in javadocs in RpcEngine.java for getServer. (+   * @param 
queueSizePerHandler the size of the queu per hander thread)
Can you also indent the second line of the description of portRangeConfig

It would also be nice to have a test for the RangeNumberIterator, to make sure 
it hits entire range and doesn't miss the edge cases.
                
> Allow RPC to limit ephemeral port range.
> ----------------------------------------
>
>                 Key: HADOOP-8227
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8227
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 0.23.2
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Blocker
>         Attachments: HADOOP-8227-trunk.txt, HADOOP-8227-trunk.txt
>
>
> This is a sub task of MAPREDUCE-4079.  For security reasons we would like to 
> limit the range of ports that are used when some RPC servers select a port.

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