In which directory hadoop is installed?
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Why is checkpointing important in hadoop?
What is the NameNode port number?
Ideally what should be replication factor in a Hadoop cluster?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
What happen if number of reducer is set to 0 in Hadoop?
What are the configuration files in Hadoop?
Give a brief overview of Hadoop history?
Explain InputSplit in Hadoop?
What are the Features of Hadoop?
Which language is more suitable for text analytics? R or python?
What happen when namenode enters in safemode in hadoop?
What is the difference between TextinputFormat and KeyValueTextInputFormat class?
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