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From "Dmitriy V. Ryaboy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2528) Add setScriptPlan() method to PigProgressNotificationListener
Date Sun, 02 Sep 2012 22:31:07 GMT

    [ https://issues.apache.org/jira/browse/PIG-2528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447042#comment-13447042
] 

Dmitriy V. Ryaboy commented on PIG-2528:
----------------------------------------

Bill, I just re-discovered this ticket. Do we still need it, or did we add this somewhere
else?
                
> Add setScriptPlan() method to PigProgressNotificationListener
> -------------------------------------------------------------
>
>                 Key: PIG-2528
>                 URL: https://issues.apache.org/jira/browse/PIG-2528
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Dmitriy V. Ryaboy
>            Assignee: Dmitriy V. Ryaboy
>         Attachments: PIG-2528.2.patch, PIG-2528.3.patch, PIG-2528.patch
>
>
> For the purposes of tracing usage and statistics of Pig scripts, I'd like to be able
to correlate the information PPNL can now collect with the script that was actually running.
Currently, a script id gets passed into every PPNL call, but it's just a UUID, so one can't
compare it to other executions of the same script.
> It seems to me like most of what I need would be taken care of by adding a setScriptPlan(String
lp) method to the PPNL interface, and calling it from ScriptState's setScriptFeatures(LogicalPlan
lp). My PPNL could then walk the plan and come up with some representation that would be reusable
between different runs of the same script.
> This would be a backwards incompatible change, as it requires adding a method to an interface.
PPNL is labeled as evolving, and I don't believe that it's widely used at the moment.

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