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From "Prashant Kommireddi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2964) Add helper method getJobList() to PigStats.JobGraph. Extend visibility of couple methods on same class
Date Fri, 12 Oct 2012 00:59:02 GMT

    [ https://issues.apache.org/jira/browse/PIG-2964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474692#comment-13474692
] 

Prashant Kommireddi commented on PIG-2964:
------------------------------------------

Thanks for the review, Bill.
                
> Add helper method getJobList()  to PigStats.JobGraph. Extend visibility of couple methods
on same class
> -------------------------------------------------------------------------------------------------------
>
>                 Key: PIG-2964
>                 URL: https://issues.apache.org/jira/browse/PIG-2964
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.10.0
>            Reporter: Prashant Kommireddi
>            Assignee: Prashant Kommireddi
>             Fix For: 0.11
>
>         Attachments: PIG-2964_1.patch, PIG-2964.patch
>
>
> PigStats.JobGraph currently provides an iterator. The rationale behind providing a List
getter is that it simply provides a lot more methods than an iterator. One could do that in
the caller code, but providing this helper in the API would be beneficial. For eg, a framework
that is used by clients could initiate several pig scripts/store commands at once. At the
framework layer, you might want to be able to determine the number of MR jobs in total spawned
by these multiple scripts and query stats on those. That's just one use-case, there could
be more methods on List that a user could be interested in. 

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