How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
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In MapReduce how to change the name of the output file from part-r-00000?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
How do reducers communicate with each other?
Mention what is the next step after mapper or maptask?
What is Text Input Format?
Explain about the partitioning, shuffle and sort phase
What is the input type/format in MapReduce by default?
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Explain job scheduling through JobTracker
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