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From "He Xiaoqiao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14351) RBF: Optimize configuration item resolving for monitor namenode
Date Fri, 15 Mar 2019 03:34:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16793280#comment-16793280

He Xiaoqiao commented on HDFS-14351:

+1,  [^HDFS-14351-HDFS-13891.005.patch].
Thanks, it's good work for unit test. [~elgoiri] you could assign the task to yourself at
any time if necessary.

> 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-HDFS-13891.001.patch, HDFS-14351-HDFS-13891.002.patch,
HDFS-14351-HDFS-13891.003.patch, HDFS-14351-HDFS-13891.004.patch, HDFS-14351-HDFS-13891.005.patch,
HDFS-14351.001.patch, HDFS-14351.002.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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