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From "Siqi Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6744) Improve decommissioning nodes and dead nodes access on the new NN webUI
Date Thu, 23 Oct 2014 18:48:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14181758#comment-14181758
] 

Siqi Li commented on HDFS-6744:
-------------------------------

[~wheat9] the state of nodes are changing constantly, therefore, we should load them every
time when people click a link, instead of load all info once and populate it to DOM when it
is requested

> Improve decommissioning nodes and dead nodes access on the new NN webUI
> -----------------------------------------------------------------------
>
>                 Key: HDFS-6744
>                 URL: https://issues.apache.org/jira/browse/HDFS-6744
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ming Ma
>            Assignee: Siqi Li
>         Attachments: HDFS-6744.v1.patch, deadnodespage.png, decomnodespage.png, livendoespage.png
>
>
> The new NN webUI lists live node at the top of the page, followed by dead node and decommissioning
node. From admins point of view:
> 1. Decommissioning nodes and dead nodes are more interesting. It is better to move decommissioning
nodes to the top of the page, followed by dead nodes and decommissioning nodes.
> 2. To find decommissioning nodes or dead nodes, the whole page that includes all nodes
needs to be loaded. That could take some time for big clusters.
> The legacy web UI filters out the type of nodes dynamically. That seems to work well.



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