[jira] [Updated] (HDFS-14351) RBF: Optimize configuration item resolving for monitor namenode

["He Xiaoqiao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

He Xiaoqiao updated HDFS-14351:
-------------------------------
    Summary: RBF: Optimize configuration item resolving for monitor namenode  (was: Optimize configuration item resolving for monitor namenode)

> 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
>
> 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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