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The following page has been changed by Shravan Narayanamurthy: http://wiki.apache.org/pig/PipelineImpl New page: = Pipeline Implementation = The following is a list of items that need to be realized for the new pipeline design(PigExecutionModel): * Implementation of all the Logical Operators * Implementation of the new Logical Plan generation with types * Implementation of all the Physical Operators * Implementation for the translation of Logical Plan into Physical plan * Implementation of the Stagification Process which converts the Physical Plan into multiple Map Reduce stages and submits each one as a separate job to the cluster The idea for the translation of Logical Plan to Physical Plan is to put a generic infrastructure in place without any ties to the implementation of the operators. Once the infrastructure is in place, we can develop the operators and the stagification parallely.
