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Explain slot in Hadoop Map-Reduce v1?
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Explain about the partitioning, shuffle and sort phase
What is Text Input Format?
How to specify more than one directory as input to the MapReduce Job?
How to change a number of mappers running on a slave in MapReduce?
What is difference between an input split and hdfs block?
what are the basic parameters of a Mapper?
Mention when to use Map reduce mode?
Explain the process of spilling in Hadoop MapReduce?
How many Reducers run for a MapReduce job in Hadoop?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
What is the inputsplit in map reduce software?
Clarify what is shuffling in map reduce?
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