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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, 26 Nov 2014 14:36:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14226255#comment-14226255
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Benoy Antony commented on HDFS-6407:
------------------------------------

Why not use the plugin ?  
Its a widely used plugin and used in other Apache projects like Storm. Based on history, it's
quite mature. It has a small size of 30 Kb. It seemed to function very well during my testing.
Instead of re-inventing the wheel, why not use a standard solution ?

Enabling sorting on a specific table with the plugin is quite straight forward as I explained
in the comment above. 
It is desirable to sort any table. Currently , I added sorting on data nodes, snapshots and
filesystem browsing.  But if a table doesn't need sorting for some reason, it can be easily
removed. 

BTW, pagination was never supported. It is normally required because client doesn't have all
the data which is not the case here.



> 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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