Explain the process of spilling in MapReduce?
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What platform and Java version is required to run Hadoop?
What are the key differences between Pig vs MapReduce?
Define Writable data types in Hadoop MapReduce?
Explain JobConf in MapReduce.
Differentiate Reducer and Combiner in Hadoop MapReduce?
How many Mappers run for a MapReduce job?
What is the default value of map and reduce max attempts?
What combiners are and when you should utilize a combiner in a map reduce job?
Compare RDBMS with Hadoop MapReduce.
Explain what you understand by speculative execution
What is LazyOutputFormat in MapReduce?
What is SequenceFileInputFormat in Hadoop MapReduce?
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