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https://issues.apache.org/jira/browse/HDFS-6420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14002519#comment-14002519
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Allen Wittenauer commented on HDFS-6420:
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What happens if the include file isn't up to date on the other node?
> DFSAdmin#refreshNodes should be sent to both NameNodes in HA setup
> ------------------------------------------------------------------
>
> Key: HDFS-6420
> URL: https://issues.apache.org/jira/browse/HDFS-6420
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-6420.000.patch
>
>
> Currently in HA setup (with logical URI), the DFSAdmin#refreshNodes command
> is sent to the NameNode first specified in the configuration by default.
> Users can use "-fs" option to specify which NN to connect to, but in this
> case, they usually need to send two separate commands. We should let
> refreshNodes be sent to both NameNodes by default.
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