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how Hadoop is different from other data processing tools?
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Write a Mapreduce Program for Character Count ?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
what happens in textinformat ?
What is the data storage component used by Hadoop?
Which are the methods in the mapper interface?
How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.
How to write a custom partitioner for a Hadoop MapReduce job?
Is YARN a replacement of Hadoop MapReduce?
what does the text input format do?
Is it mandatory to set input and output type/format in MapReduce?
Explain what is the function of mapreduce partitioner?
What is a IdentityMapper and IdentityReducer in MapReduce ?
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