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https://issues.apache.org/jira/browse/PIG-162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596545#action_12596545
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Shravan Matthur Narayanamurthy commented on PIG-162:
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Actually both MapReduceLauncher & LocalLauncher are empty classes. Just that I
forgot to remove the commented out code in MapReduceLauncher.
Basically the code for both the launchers is same. The difference is in the
PigContext you pass as I have mentioned in the docs for the launchPig method in
launcher. Just to avoid code duplication, I created a base class and inherited
both of them from it. If at somepoint of time we decide to change it, we can
always override the launchPig method and still retain most of the other code as
is.
> Rework mapreduce submission and monitoring
> ------------------------------------------
>
> Key: PIG-162
> URL: https://issues.apache.org/jira/browse/PIG-162
> Project: Pig
> Issue Type: Sub-task
> Environment: This bug tracks works to rework the submission and
> monitoring interface to map reduce as described in
> http://wiki.apache.org/pig/PigTypesFunctionalSpec
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: mapreduceJumbo.patch, mapreduceJumboWithComInc.patch,
> modJumbo.patch, split.png, TEST-org.apache.pig.test.TestMRCompiler.txt,
> TEST-org.apache.pig.test.TestMRCompiler.txt,
> TEST-org.apache.pig.test.TestUnion.txt
>
>
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