Explain what does the conf.setmapper class do?
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What is the default input type in MapReduce?
Explain what does the conf.setMapper Class do in MapReduce?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
Mention when to use Map reduce mode?
Where is Mapper output stored?
Explain Working of MapReduce?
What are the fundamental configurations parameters specified in map reduce?
For a Hadoop job, how will you write a custom partitioner?
When Namenode is down what happens to job tracker?
What is difference between a MapReduce InputSplit and HDFS block
What is an input reader in reference to mapreduce?
What is the core of the job in MapReduce framework?
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