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- Apache Hadoop (387)
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- Hadoop General (406)
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
What is a Speculative Execution in Hadoop MapReduce?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
In MapReduce, ideally how many mappers should be configured on a slave?
What counter in Hadoop MapReduce?
What is SequenceFileInputFormat in Hadoop MapReduce?
How many Mappers run for a MapReduce job in Hadoop?
How many Mappers run for a MapReduce job?
How do Hadoop MapReduce works?
What is a Distributed Cache in Hadoop?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
What is the problem with the small file in Hadoop?
How many Reducers run for a MapReduce job?
How to specify more than one directory as input to the MapReduce Job?
How to set the number of mappers to be created in MapReduce?
