[ 
http://issues.apache.org/jira/browse/HADOOP-415?page=comments#action_12442196 ] 
            
Konstantin Shvachko commented on HADOOP-415:
--------------------------------------------


   [[ Old comment, sent by email on Mon, 07 Aug 2006 10:32:18 -0700 ]]

This issue is closed now.
You probably need to create a new issue and attach your patch there.
I don't think it is possible to reopen closed issues.
--Konstantin




> DFSNodesStatus() should sort data nodes.
> ----------------------------------------
>
>                 Key: HADOOP-415
>                 URL: http://issues.apache.org/jira/browse/HADOOP-415
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.4.0
>            Reporter: Konstantin Shvachko
>             Fix For: 0.5.0
>
>         Attachments: refactor_datanodeinfo.patch, refactor_nodestatus.patch, 
> refactor_nodestatus.patch
>
>
> HADOOP-392 introduced a new TreeMap member (datanodeMapByName) in the name 
> node.
> It is used solely for reporting the data nodes in the UI sorted by their 
> names.
> I think it is quite inefficient both time and space-wise to support an 
> excessive
> data structure just for that.
> Suppose the UI will also require sorting by last heartbeat and/or by the 
> available space....
> I think DFSNodesStatus() should just sort the original datanodeMap before 
> returning the list.

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