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From Bikas Saha <bi...@hortonworks.com>
Subject Breaking change in TEZ trunk
Date Sat, 15 Feb 2014 08:15:06 GMT
FYI https://issues.apache.org/jira/browse/TEZ-668

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, 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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