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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6407) new namenode UI, lost ability to sort columns in datanode tab
Date Wed, 03 Dec 2014 00:21:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14232376#comment-14232376
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Benoy Antony commented on HDFS-6407:
------------------------------------

#1 can be fixed pretty easily by applying special logic for the columns which needs custom
sorting. 
#2 is not a plugin specific issue as the major delay is for client-server communication. Since
sorting and regeneration happens at the client side, it should be quick. This can be easily
tested.

A standard solution for sorting is better than a custom solution for many reasons including
maintainability, usability and free enhancements. 
Pagination can be done independently of sorting. 

> new namenode UI, lost ability to sort columns in datanode tab
> -------------------------------------------------------------
>
>                 Key: HDFS-6407
>                 URL: https://issues.apache.org/jira/browse/HDFS-6407
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.4.0
>            Reporter: Nathan Roberts
>            Assignee: Benoy Antony
>            Priority: Minor
>         Attachments: HDFS-6407.patch, browse_directory.png, datanodes.png, snapshots.png
>
>
> old ui supported clicking on column header to sort on that column. The new ui seems to
have dropped this very useful feature.
> There are a few tables in the Namenode UI to display  datanodes information, directory
listings and snapshots.
> When there are many items in the tables, it is useful to have ability to sort on the
different columns.



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