[jira] [Commented] (MAPREDUCE-4538) add Legacy Counter support to getGroupNames

["Robert Joseph Evans (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13431912#comment-13431912 ] 

Robert Joseph Evans commented on MAPREDUCE-4538:
------------------------------------------------

Something seems to be wrong with this JIRA.  I cannot mark it as Patch Available. Hopefully JIRA fixes itself soon, or I will refile this.
                
> add Legacy Counter support to getGroupNames
> -------------------------------------------
>
>                 Key: MAPREDUCE-4538
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4538
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.3, 2.1.0-alpha, 3.0.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: MR-4538.txt
>
>
> Oozie loops through counters using getGroupNames().  This does not include with it legacy counter names, so they get missed, and can result in a backwards compatibility issue in the oozie counter API.

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