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From "Hitesh Shah (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2863) Support web-services for RM & NM
Date Mon, 14 Nov 2011 20:42:51 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13149893#comment-13149893
] 

Hitesh Shah commented on MAPREDUCE-2863:
----------------------------------------

Taking a look at the output formats only (apart from the comment for having all outputs be
a closer match for json/xml): 

A minor comment: 
  - "totalMemoryNeeded" : 2048, -> totalMemoryNeededMB
    - there is a mix of bytes, MB and GB in use in various diff outputs which could probably
do with some form of standardization. Not sure if it needs to be done as part of this but
will affect the element names later if the value types change. 
  - Is anyone expected to use the version info? If yes, would they likely use it as is or
would they need to parse it to strip out the actual version no? If the latter, would 2 values
- versionNum and versionInfo help with the former just have the basic version string and the
latter the full build version info? 

Also, I am assuming the framework correctly handles escaping all data that could be in elements
which depict urls or other info such as the diagnostics? 

Apart from that, the output generally looks good. 

                
> Support web-services for RM & NM
> --------------------------------
>
>                 Key: MAPREDUCE-2863
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2863
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2, nodemanager, resourcemanager
>            Reporter: Arun C Murthy
>            Assignee: Thomas Graves
>         Attachments: MAPREDUCE-2863.patch, nmoutput.txt, rmoutput.txt
>
>
> It will be very useful for RM and NM to support web-services to export json/xml.

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