What is small file problem in hadoop?
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Explain the wordcount implementation via hadoop framework ?
Is a job split into maps?
Why is hadoop faster?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What should be the ideal replication factor in Hadoop Cluster?
Can the balancer be run while Hadoop is in use?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
Can NameNode and DataNode be a commodity hardware?
What is a Record Reader in hadoop?
What is nlineoutputformat?
How is HDFS fault tolerant?
What is the purpose of RawComparator interface?
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