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https://issues.apache.org/jira/browse/PIG-3767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13903873#comment-13903873
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Rohini Palaniswamy commented on PIG-3767:
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TEZ-688 is committed to tez trunk. Attached patch tested with that.
https://reviews.apache.org/r/18203/
> Work with TEZ-668 which allows starting and closing of inputs and outputs
> -------------------------------------------------------------------------
>
> Key: PIG-3767
> URL: https://issues.apache.org/jira/browse/PIG-3767
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Reporter: Rohini Palaniswamy
> Assignee: Rohini Palaniswamy
> Fix For: tez-branch
>
> Attachments: PIG-3767-1.patch, PIG-3767-2.patch
>
>
> From [~bikassaha]:
> https://issues.apache.org/jira/browse/TEZ-668 is a breaking change in TEZ
> trunk
>
> This adds a start method to the Input/Output and the processor is expected to
> call input.start()/output.start() for the input/output to actually start
> fetching/writing data. After this get committed, Hive and Pig Processors need
> to call start() on the input/output that they want to start. The processors
> may decide to not call start for an input they do not want to read (e.g. data
> already in ObjectRegistry) or they may choose to stagger the inputs in a
> certain order based on memory or processing requirements.
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