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https://issues.apache.org/jira/browse/HDFS-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16788958#comment-16788958
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Hadoop QA commented on HDFS-14351:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 18s{color} 
| {color:red} HDFS-14351 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-14351 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12961867/HDFS-14351.001.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/26441/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> RBF: Optimize configuration item resolving for monitor namenode
> ---------------------------------------------------------------
>
>                 Key: HDFS-14351
>                 URL: https://issues.apache.org/jira/browse/HDFS-14351
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: rbf
>            Reporter: He Xiaoqiao
>            Assignee: He Xiaoqiao
>            Priority: Major
>         Attachments: HDFS-14351.001.patch
>
>
> We invoke {{configuration.get}} to resolve configuration item 
> `dfs.federation.router.monitor.namenode` at `Router.java`, then split the 
> value by comma to get nsid and nnid, it may confused users since this is not 
> compatible with blank space but other common parameters could do. The 
> following segment show example that resolve fails.
> {code:java}
>   <property>
>     <name>dfs.federation.router.monitor.namenode</name>
>     <value>nameservice1.nn1, nameservice1.nn2</value>
>     <description>
>       The identifier of the namenodes to monitor and heartbeat.
>     </description>
>   </property>
> {code}



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