Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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0.20.2
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None
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None
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None
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All
Description
From the documentation in mapred-default.xml, it is not apparent whether the configurations parameters (such as mapred.tasktracker.map.tasks.maximum) can be specified per-job, or whether these parameters are read by the framework at start-up and can never be changed. It would be helpful to annotate the default configurations file with this information.