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Posted to hdfs-issues@hadoop.apache.org by "Fei Hui (Jira)" <ji...@apache.org> on 2020/09/03 09:25:00 UTC
[jira] [Commented] (HDFS-14351) RBF: Optimize configuration item
resolving for monitor namenode
[ https://issues.apache.org/jira/browse/HDFS-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189992#comment-17189992 ]
Fei Hui commented on HDFS-14351:
--------------------------------
Maybe it's helpful that backport it to other 3.x branches. Thanks
> 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: Xiaoqiao He
> Assignee: Xiaoqiao He
> Priority: Major
> Fix For: 3.3.0, HDFS-13891
>
> 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-HDFS-13891.006.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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