What are ‘reduces’?
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What are the data components used by Hadoop?
What is RecordReader in a Map Reduce?
What is the Job interface in MapReduce framework?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
Write a Mapreduce Program for Character Count ?
what is distributed cache in mapreduce framework?
What is heartbeat in hdfs? Explain.
What do you know about nlineinputformat?
Where sorting is done on mapper node or reducer node in MapReduce?
In MapReduce, ideally how many mappers should be configured on a slave?
In Map Reduce why map write output to Local Disk instead of HDFS?
List the configuration parameters that have to be specified when running a MapReduce job.
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