Explain what is the function of mapreduce partitioner?
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Why Mapreduce output written in local disk?
what does the conf.setMapper Class do ?
What is a RecordReader in Hadoop MapReduce?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
What is a TaskInstance?
What is a IdentityMapper and IdentityReducer in MapReduce ?
What is partitioner and its usage?
What is Mapper in Hadoop MapReduce?
Explain how mapreduce works.
How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
What are the steps involved in MapReduce framework?
What platform and Java version is required to run Hadoop?
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