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https://issues.apache.org/jira/browse/HDFS-10440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15318180#comment-15318180
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Weiwei Yang commented on HDFS-10440:
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Hello [~vshreyas]
Thanks for your comments. Please see my response below
{quote}
it would be better to show the relative time of last heartbeat sent and
absolute time of last block report sent per namenode.
{quote}
Yes, however they are not exposed via DN JMX now, so it would require more
changes. If necessary, we can address that in another JIRA probably?
{quote}
"Configured Capacity" also could be added as first column.
{quote}
Similar to 2, "Configured Capacity" is not available from DN JMX yet.
{quote}
Redundent 'Capacity' word could be removed
{quote}
I'd prefer to keep it, to be consistent with namenode UI (DFS Storage Types)
Let me know if this makes sense. Thank you.
> 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,
> 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_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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