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https://issues.apache.org/jira/browse/MAPREDUCE-4079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260522#comment-13260522
 ] 

Hudson commented on MAPREDUCE-4079:
-----------------------------------

Integrated in Hadoop-Common-trunk-Commit #2124 (See 
[https://builds.apache.org/job/Hadoop-Common-trunk-Commit/2124/])
    MAPREDUCE-4079. Allow MR AppMaster to limit ephemeral port range.(bobby via 
tgraves) (Revision 1329694)

     Result = SUCCESS
tgraves : 
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1329694
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/client/MRClientService.java
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/factories/RpcServerFactory.java
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/factories/impl/pb/RpcServerFactoryPBImpl.java
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/HadoopYarnProtoRPC.java
* 
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ipc/YarnRPC.java

                
> Allow MR AppMaster to limit ephemeral port range.
> -------------------------------------------------
>
>                 Key: MAPREDUCE-4079
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4079
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mr-am, mrv2
>    Affects Versions: 0.23.2, 2.0.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Blocker
>             Fix For: 0.23.3
>
>         Attachments: MR-4079-full-branch-0.23.txt, 
> MR-4079-full-branch-0.23.txt, MR-4079-full-branch-0.23.txt, 
> MR-4079-full-branch-0.23.txt, MR-4079-trunk.txt, MR-4079-trunk.txt, 
> MR-4079-trunk.txt, MR-4079-trunk.txt, MR-4079-trunk.txt, MR-4079-trunk.txt
>
>
> Having the MapReduce Application Masters bind to any ephemeral port makes it 
> very difficult to setup ACLs.  mapreduce.job.am-access-disabled from 
> MAPREDUCE-3251 is not a practical permanent solution for all jobs.  
> Especially for tools like pig where they are not aware of 
> mapreduce.job.am-access-disabled and may deal with it properly.
> We should add in a config option that would allow someone to restrict the 
> range of ports that the MR-AM can bind to.  It will slow down startup in some 
> cases because we will have to probe for open ports instead of just asking the 
> OS to find one for us.  But we can make that conditional on this config so 
> users who do not set this config do not see any performance degradation. 

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