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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6744) Improve decommissioning nodes and dead nodes access on the new NN webUI
Date Mon, 20 Oct 2014 21:20:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14177483#comment-14177483
] 

Haohui Mai commented on HDFS-6744:
----------------------------------

I think it might be better to load all the information in the browser, since we have to load
all information anyway.

We can populate the information to DOM when it is requested -- pagination and sorted can be
implemented in the same way.

> 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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