Which are the methods in the mapper interface?
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what does the conf.setMapper Class do ?
What is Mapper in Hadoop MapReduce?
Is it important for Hadoop MapReduce jobs to be written in Java?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
Explain what is distributed cache in mapreduce framework?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
For a Hadoop job, how will you write a custom partitioner?
With the help of two examples name the map and reduce function purpose
What is the input type/format in MapReduce by default?
How to configure the number of the Combiner in MapReduce?
Explain Working of MapReduce?
What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?
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