[jira] [Updated] (HDFS-7303) If there are multiple datanodes on the same host, then only one datanode is listed on the NN UI’s datanode tab

["Benoy Antony (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-7303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoy Antony updated HDFS-7303:
-------------------------------
    Attachment: HDFS-7303.patch

Attaching patch which does the following :

1. If there are multiple datanodes on the same host, host:port displayed.
2. If there is a single datanode on the host, only host is displayed.

This is done for live nodes, dead nodes and decommissioned nodes.

>  If there are multiple datanodes on the same host, then only one datanode is listed on the NN UI’s datanode tab
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7303
>                 URL: https://issues.apache.org/jira/browse/HDFS-7303
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.5.1
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>            Priority: Minor
>         Attachments: HDFS-7303.patch
>
>
> If you start multiple datanodes on different ports on the the same host, only one of them appears in the NN UI’s datanode tab.
> While this is not a common scenario, there are still scenarios where you need to start multiple datanodes on the same host.



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