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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10440) Improve DataNode web UI
Date Thu, 23 Jun 2016 16:09:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346679#comment-15346679

Vinayakumar B commented on HDFS-10440:

bq. I was having some problem to connect to DataNode's HTTP port in my eclipse run in windows.
Seems to be problem with PortUnificationHandler. I was able to connect to proxy port. Anyway
this comes without patch also. That I will dig more and raise a Jira.
This was a problem with the classpath.
{{ChannelInitializer}} class is loading from older version of netty-transport jar instead
of latest netty-all jar.
Will handle this is separate Jira.

> Improve DataNode web UI
> -----------------------
>                 Key: HDFS-10440
>                 URL: https://issues.apache.org/jira/browse/HDFS-10440
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode, ui
>    Affects Versions: 2.7.0
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>         Attachments: HDFS-10440.001.patch, HDFS-10440.002.patch, HDFS-10440.003.patch,
HDFS-10440.004.patch, HDFS-10440.005.patch, datanode_2nns.html.002.jpg, datanode_html.001.jpg,
datanode_loading_err.002.jpg, datanode_utilities.001.jpg, datanode_utilities.002.jpg, dn_web_ui.003.jpg,
dn_web_ui_mockup.jpg, nn_dfs_storage_types.jpg
> At present, datanode web UI doesn't have much information except for node name and port.
Propose to add more information similar to namenode UI, including, 
> * Static info (version, block pool  and cluster ID)
> * Block pools info (BP IDs, namenode address, actor states)
> * Storage info (Volumes, capacity used, reserved, left)
> * Utilities (logs)

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