AFAIK the only user of this interface is Oozie.  You might want to shoot a 
message to [email protected] and let them know about the change.  

Alan.

On Feb 12, 2012, at 5:12 PM, Dmitriy Ryaboy wrote:

> I created https://issues.apache.org/jira/browse/PIG-2528 to track this
> issue.
> Please let me know early if you have grave concerns, as I am about to sink
> some hours into it..
> 
> Dmitriy
> 
> On Sun, Feb 12, 2012 at 5:01 PM, Dmitriy Ryaboy <[email protected]> wrote:
> 
>> Hi folks,
>> 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.
>> 
>> Thoughts / Suggestions / Objections?
>> 
>> -Dmitriy
>> 

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