What MapReduce framework consists of?
What is sqoop in Hadoop ?
What is difference between an input split and hdfs block?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
Explain what does the conf.setMapper Class do in MapReduce?
Can we set the number of reducers to zero in MapReduce?
Can you tell us how many daemon processes run on a hadoop system?
What combiners are and when you should utilize a combiner in a map reduce job?
how can you debug Hadoop code?
What is the need of key-value pair to process the data in MapReduce?
How does Mappers run method works?
Explain what is distributed cache in mapreduce framework?
what is WebDAV in Hadoop?