how would you modify that solution to only count the number of unique words in all the documents?461
What is small file problem in hadoop?
What are different hdfs dfs shell commands to perform copy operation?
Explain what happens in textinformat ?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is version-id mismatch error in hadoop?
What is a Combiner?
Explain the hadoop-core configuration?
What are the network requirements for using hadoop?
Explain the Job OutputFormat?
What is the communication channel between client and namenode/datanode?
What are the additional benefits YARN brings in to Hadoop?
What is Apache Hadoop?
What is high availability in hadoop?
What does the command mapred.job.tracker do?