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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4926) namenode webserver's page has a tooltip that is inconsistent with the datanode HTML link
Date Mon, 15 Jul 2013 17:22:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708666#comment-13708666

Jing Zhao commented on HDFS-4926:

Hi Vivek, thanks a lot for the reply and proposing new ideas for improvement. 

bq. Another modification I can think of is as follows: [Let's call it view point number (3)
in addition to (1) and (2) above]
bq. 1. Add new column to show data transfer port
bq. 2. Add new column to show http port
bq. 3. Change the tooltip of link to show ip address only.

I agree extra columns can make the information more clear. But instead of adding two columns
here, can we only add one column for "d.getHost():d.Port()", i.e., the information originally
shown in title, and clearly stating that this is the DN's transferring address? Then for title
we can make it consistent with the real URL (hostName + http port). What do you think? 
> namenode webserver's page has a tooltip that is inconsistent with the datanode HTML link
> ----------------------------------------------------------------------------------------
>                 Key: HDFS-4926
>                 URL: https://issues.apache.org/jira/browse/HDFS-4926
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Joseph Lorenzini
>            Assignee: Vivek Ganesan
>            Priority: Trivial
>         Attachments: hdfs-4926.patch
> At http://localhost:50070/dfsnodelist.jsp?whatNodes=LIVE, there is a list of Live datanodes
in a table.  In the Node column, there is a link to each node. If you hover your cursor over
one of the links, it shows the IP address and port number of the datanode. However, actual
link is the hostname instead of the IP. 
> Suggest that the tooltip reflect the actual url that the web browser would go to if the
link is selected.

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